Home / 89,712,204.78-123,802,892.43-48,459,097.50

Finding the Fourth Proportional to 89,712,204.78, 123,802,892.43 and 48,459,097.50

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Solution

The fourth proportional to 89,712,204.78, 123,802,892.43 and 48,459,097.50 is: 66,873,581.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,712,204.78 : 123,802,892.43 = 48,459,097.50 : x
  2. Step 2: Convert to fraction form
    89,712,204.78/123,802,892.43 = 48,459,097.50/x
  3. Step 3: Cross multiply
    89,712,204.78x = 123,802,892.43 × 48,459,097.50
  4. Step 4: Simplify right side
    89,712,204.78x = 5,999,376,435,047,382
  5. Step 5: Solve for x
    x = 5,999,376,435,047,382/89,712,204.78
  6. Step 6: Final answer
    x = 66,873,581.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.