Home / 83,017,862.18-124,390,153.56-28,400,590.88

Finding the Fourth Proportional to 83,017,862.18, 124,390,153.56 and 28,400,590.88

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Solution

The fourth proportional to 83,017,862.18, 124,390,153.56 and 28,400,590.88 is: 42,554,141.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,017,862.18 : 124,390,153.56 = 28,400,590.88 : x
  2. Step 2: Convert to fraction form
    83,017,862.18/124,390,153.56 = 28,400,590.88/x
  3. Step 3: Cross multiply
    83,017,862.18x = 124,390,153.56 × 28,400,590.88
  4. Step 4: Simplify right side
    83,017,862.18x = 3,532,753,860,757,935.50
  5. Step 5: Solve for x
    x = 3,532,753,860,757,935.50/83,017,862.18
  6. Step 6: Final answer
    x = 42,554,141.58

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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.