Home / 87,759,936,097.60-131,639,904,146.40-86,018,510,228.80

Finding the Fourth Proportional to 87,759,936,097.60, 131,639,904,146.40 and 86,018,510,228.80

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Solution

The fourth proportional to 87,759,936,097.60, 131,639,904,146.40 and 86,018,510,228.80 is: 129,027,765,343.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,759,936,097.60 : 131,639,904,146.40 = 86,018,510,228.80 : x
  2. Step 2: Convert to fraction form
    87,759,936,097.60/131,639,904,146.40 = 86,018,510,228.80/x
  3. Step 3: Cross multiply
    87,759,936,097.60x = 131,639,904,146.40 × 86,018,510,228.80
  4. Step 4: Simplify right side
    87,759,936,097.60x = 11,323,468,441,335,359,340,544
  5. Step 5: Solve for x
    x = 11,323,468,441,335,359,340,544/87,759,936,097.60
  6. Step 6: Final answer
    x = 129,027,765,343.20

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Double scale
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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.