Home / 83,815,368.60-125,866,520.10-45,551,616.60

Finding the Fourth Proportional to 83,815,368.60, 125,866,520.10 and 45,551,616.60

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Solution

The fourth proportional to 83,815,368.60, 125,866,520.10 and 45,551,616.60 is: 68,405,395.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,815,368.60 : 125,866,520.10 = 45,551,616.60 : x
  2. Step 2: Convert to fraction form
    83,815,368.60/125,866,520.10 = 45,551,616.60/x
  3. Step 3: Cross multiply
    83,815,368.60x = 125,866,520.10 × 45,551,616.60
  4. Step 4: Simplify right side
    83,815,368.60x = 5,733,423,466,371,394
  5. Step 5: Solve for x
    x = 5,733,423,466,371,394/83,815,368.60
  6. Step 6: Final answer
    x = 68,405,395.84

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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.