Home / 52,156,905.90-78,245,856.45-18,071,198.70

Finding the Fourth Proportional to 52,156,905.90, 78,245,856.45 and 18,071,198.70

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Solution

The fourth proportional to 52,156,905.90, 78,245,856.45 and 18,071,198.70 is: 27,110,435.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,156,905.90 : 78,245,856.45 = 18,071,198.70 : x
  2. Step 2: Convert to fraction form
    52,156,905.90/78,245,856.45 = 18,071,198.70/x
  3. Step 3: Cross multiply
    52,156,905.90x = 78,245,856.45 × 18,071,198.70
  4. Step 4: Simplify right side
    52,156,905.90x = 1,413,996,419,359,626.50
  5. Step 5: Solve for x
    x = 1,413,996,419,359,626.50/52,156,905.90
  6. Step 6: Final answer
    x = 27,110,435.23

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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.