Home / 123,008,581.08-169,755,384.78-68,007,980.52

Finding the Fourth Proportional to 123,008,581.08, 169,755,384.78 and 68,007,980.52

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Solution

The fourth proportional to 123,008,581.08, 169,755,384.78 and 68,007,980.52 is: 93,852,971.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,008,581.08 : 169,755,384.78 = 68,007,980.52 : x
  2. Step 2: Convert to fraction form
    123,008,581.08/169,755,384.78 = 68,007,980.52/x
  3. Step 3: Cross multiply
    123,008,581.08x = 169,755,384.78 × 68,007,980.52
  4. Step 4: Simplify right side
    123,008,581.08x = 11,544,720,901,283,344
  5. Step 5: Solve for x
    x = 11,544,720,901,283,344/123,008,581.08
  6. Step 6: Final answer
    x = 93,852,971.88

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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.