Home / 82,721,046.30-124,081,569.45-55,511,267.10

Finding the Fourth Proportional to 82,721,046.30, 124,081,569.45 and 55,511,267.10

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Solution

The fourth proportional to 82,721,046.30, 124,081,569.45 and 55,511,267.10 is: 83,266,900.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,721,046.30 : 124,081,569.45 = 55,511,267.10 : x
  2. Step 2: Convert to fraction form
    82,721,046.30/124,081,569.45 = 55,511,267.10/x
  3. Step 3: Cross multiply
    82,721,046.30x = 124,081,569.45 × 55,511,267.10
  4. Step 4: Simplify right side
    82,721,046.30x = 6,887,925,143,926,150
  5. Step 5: Solve for x
    x = 6,887,925,143,926,150/82,721,046.30
  6. Step 6: Final answer
    x = 83,266,900.65

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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.