Home / 83,160,678.65-124,653,053.64-31,322,851.88

Finding the Fourth Proportional to 83,160,678.65, 124,653,053.64 and 31,322,851.88

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Solution

The fourth proportional to 83,160,678.65, 124,653,053.64 and 31,322,851.88 is: 46,951,145.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,160,678.65 : 124,653,053.64 = 31,322,851.88 : x
  2. Step 2: Convert to fraction form
    83,160,678.65/124,653,053.64 = 31,322,851.88/x
  3. Step 3: Cross multiply
    83,160,678.65x = 124,653,053.64 × 31,322,851.88
  4. Step 4: Simplify right side
    83,160,678.65x = 3,904,489,134,873,575.50
  5. Step 5: Solve for x
    x = 3,904,489,134,873,575.50/83,160,678.65
  6. Step 6: Final answer
    x = 46,951,145.64

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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.