Home / 123,224,316.62-169,999,718.92-73,636,387.97

Finding the Fourth Proportional to 123,224,316.62, 169,999,718.92 and 73,636,387.97

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Solution

The fourth proportional to 123,224,316.62, 169,999,718.92 and 73,636,387.97 is: 101,588,433.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,224,316.62 : 169,999,718.92 = 73,636,387.97 : x
  2. Step 2: Convert to fraction form
    123,224,316.62/169,999,718.92 = 73,636,387.97/x
  3. Step 3: Cross multiply
    123,224,316.62x = 169,999,718.92 × 73,636,387.97
  4. Step 4: Simplify right side
    123,224,316.62x = 12,518,165,256,149,980
  5. Step 5: Solve for x
    x = 12,518,165,256,149,980/123,224,316.62
  6. Step 6: Final answer
    x = 101,588,433.19

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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.