Home / 87,759,936,155.10-131,639,904,232.65-86,018,510,286.30

Finding the Fourth Proportional to 87,759,936,155.10, 131,639,904,232.65 and 86,018,510,286.30

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Solution

The fourth proportional to 87,759,936,155.10, 131,639,904,232.65 and 86,018,510,286.30 is: 129,027,765,429.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,759,936,155.10 : 131,639,904,232.65 = 86,018,510,286.30 : x
  2. Step 2: Convert to fraction form
    87,759,936,155.10/131,639,904,232.65 = 86,018,510,286.30/x
  3. Step 3: Cross multiply
    87,759,936,155.10x = 131,639,904,232.65 × 86,018,510,286.30
  4. Step 4: Simplify right side
    87,759,936,155.10x = 11,323,468,456,323,750,821,888
  5. Step 5: Solve for x
    x = 11,323,468,456,323,750,821,888/87,759,936,155.10
  6. Step 6: Final answer
    x = 129,027,765,429.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.