Home / 92,019,441.60-137,861,200.80-74,887,358.40

Finding the Fourth Proportional to 92,019,441.60, 137,861,200.80 and 74,887,358.40

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Solution

The fourth proportional to 92,019,441.60, 137,861,200.80 and 74,887,358.40 is: 112,194,346.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,019,441.60 : 137,861,200.80 = 74,887,358.40 : x
  2. Step 2: Convert to fraction form
    92,019,441.60/137,861,200.80 = 74,887,358.40/x
  3. Step 3: Cross multiply
    92,019,441.60x = 137,861,200.80 × 74,887,358.40
  4. Step 4: Simplify right side
    92,019,441.60x = 10,324,061,153,763,968
  5. Step 5: Solve for x
    x = 10,324,061,153,763,968/92,019,441.60
  6. Step 6: Final answer
    x = 112,194,346.91

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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.