Home / 191,734,042.47-287,613,170.91-81,049,073.10

Finding the Fourth Proportional to 191,734,042.47, 287,613,170.91 and 81,049,073.10

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Solution

The fourth proportional to 191,734,042.47, 287,613,170.91 and 81,049,073.10 is: 121,578,727.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,734,042.47 : 287,613,170.91 = 81,049,073.10 : x
  2. Step 2: Convert to fraction form
    191,734,042.47/287,613,170.91 = 81,049,073.10/x
  3. Step 3: Cross multiply
    191,734,042.47x = 287,613,170.91 × 81,049,073.10
  4. Step 4: Simplify right side
    191,734,042.47x = 23,310,780,913,607,384
  5. Step 5: Solve for x
    x = 23,310,780,913,607,384/191,734,042.47
  6. Step 6: Final answer
    x = 121,578,727.56

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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.