Home / 91,887,753.80-137,831,630.70-59,363,564.60

Finding the Fourth Proportional to 91,887,753.80, 137,831,630.70 and 59,363,564.60

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Solution

The fourth proportional to 91,887,753.80, 137,831,630.70 and 59,363,564.60 is: 89,045,346.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,887,753.80 : 137,831,630.70 = 59,363,564.60 : x
  2. Step 2: Convert to fraction form
    91,887,753.80/137,831,630.70 = 59,363,564.60/x
  3. Step 3: Cross multiply
    91,887,753.80x = 137,831,630.70 × 59,363,564.60
  4. Step 4: Simplify right side
    91,887,753.80x = 8,182,176,912,982,793
  5. Step 5: Solve for x
    x = 8,182,176,912,982,793/91,887,753.80
  6. Step 6: Final answer
    x = 89,045,346.90

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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.