Home / 72,966,937.60-109,378,214.40-34,560,947.20

Finding the Fourth Proportional to 72,966,937.60, 109,378,214.40 and 34,560,947.20

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Solution

The fourth proportional to 72,966,937.60, 109,378,214.40 and 34,560,947.20 is: 51,807,226.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,966,937.60 : 109,378,214.40 = 34,560,947.20 : x
  2. Step 2: Convert to fraction form
    72,966,937.60/109,378,214.40 = 34,560,947.20/x
  3. Step 3: Cross multiply
    72,966,937.60x = 109,378,214.40 × 34,560,947.20
  4. Step 4: Simplify right side
    72,966,937.60x = 3,780,214,692,708,680
  5. Step 5: Solve for x
    x = 3,780,214,692,708,680/72,966,937.60
  6. Step 6: Final answer
    x = 51,807,226.90

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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.