Home / 82,874,988.14-124,323,827.27-28,272,913.65

Finding the Fourth Proportional to 82,874,988.14, 124,323,827.27 and 28,272,913.65

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Solution

The fourth proportional to 82,874,988.14, 124,323,827.27 and 28,272,913.65 is: 42,413,240.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,874,988.14 : 124,323,827.27 = 28,272,913.65 : x
  2. Step 2: Convert to fraction form
    82,874,988.14/124,323,827.27 = 28,272,913.65/x
  3. Step 3: Cross multiply
    82,874,988.14x = 124,323,827.27 × 28,272,913.65
  4. Step 4: Simplify right side
    82,874,988.14x = 3,514,996,832,900,860.50
  5. Step 5: Solve for x
    x = 3,514,996,832,900,860.50/82,874,988.14
  6. Step 6: Final answer
    x = 42,413,240.86

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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.