Home / 87,759,936,156.10-131,639,904,234.15-86,018,510,287.30

Finding the Fourth Proportional to 87,759,936,156.10, 131,639,904,234.15 and 86,018,510,287.30

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Solution

The fourth proportional to 87,759,936,156.10, 131,639,904,234.15 and 86,018,510,287.30 is: 129,027,765,430.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,759,936,156.10 : 131,639,904,234.15 = 86,018,510,287.30 : x
  2. Step 2: Convert to fraction form
    87,759,936,156.10/131,639,904,234.15 = 86,018,510,287.30/x
  3. Step 3: Cross multiply
    87,759,936,156.10x = 131,639,904,234.15 × 86,018,510,287.30
  4. Step 4: Simplify right side
    87,759,936,156.10x = 11,323,468,456,584,418,426,880
  5. Step 5: Solve for x
    x = 11,323,468,456,584,418,426,880/87,759,936,156.10
  6. Step 6: Final answer
    x = 129,027,765,430.95

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Double scale
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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.