Home / 54,371,165.66-81,531,463.14-19,803,502.91

Finding the Fourth Proportional to 54,371,165.66, 81,531,463.14 and 19,803,502.91

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Solution

The fourth proportional to 54,371,165.66, 81,531,463.14 and 19,803,502.91 is: 29,696,044.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,371,165.66 : 81,531,463.14 = 19,803,502.91 : x
  2. Step 2: Convert to fraction form
    54,371,165.66/81,531,463.14 = 19,803,502.91/x
  3. Step 3: Cross multiply
    54,371,165.66x = 81,531,463.14 × 19,803,502.91
  4. Step 4: Simplify right side
    54,371,165.66x = 1,614,608,567,549,547.75
  5. Step 5: Solve for x
    x = 1,614,608,567,549,547.75/54,371,165.66
  6. Step 6: Final answer
    x = 29,696,044.73

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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.