Home / 131,423,508.65-181,357,095.07-71,873,044.13

Finding the Fourth Proportional to 131,423,508.65, 181,357,095.07 and 71,873,044.13

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Solution

The fourth proportional to 131,423,508.65, 181,357,095.07 and 71,873,044.13 is: 99,180,783.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,423,508.65 : 181,357,095.07 = 71,873,044.13 : x
  2. Step 2: Convert to fraction form
    131,423,508.65/181,357,095.07 = 71,873,044.13/x
  3. Step 3: Cross multiply
    131,423,508.65x = 181,357,095.07 × 71,873,044.13
  4. Step 4: Simplify right side
    131,423,508.65x = 13,034,686,497,254,714
  5. Step 5: Solve for x
    x = 13,034,686,497,254,714/131,423,508.65
  6. Step 6: Final answer
    x = 99,180,783.04

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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.