Home / 87,759,936,130.60-131,639,904,195.90-86,018,510,261.80

Finding the Fourth Proportional to 87,759,936,130.60, 131,639,904,195.90 and 86,018,510,261.80

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Solution

The fourth proportional to 87,759,936,130.60, 131,639,904,195.90 and 86,018,510,261.80 is: 129,027,765,392.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,759,936,130.60 : 131,639,904,195.90 = 86,018,510,261.80 : x
  2. Step 2: Convert to fraction form
    87,759,936,130.60/131,639,904,195.90 = 86,018,510,261.80/x
  3. Step 3: Cross multiply
    87,759,936,130.60x = 131,639,904,195.90 × 86,018,510,261.80
  4. Step 4: Simplify right side
    87,759,936,130.60x = 11,323,468,449,937,392,402,432
  5. Step 5: Solve for x
    x = 11,323,468,449,937,392,402,432/87,759,936,130.60
  6. Step 6: Final answer
    x = 129,027,765,392.70

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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.