Home / 52,156,901.40-78,245,849.70-18,071,194.20

Finding the Fourth Proportional to 52,156,901.40, 78,245,849.70 and 18,071,194.20

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Solution

The fourth proportional to 52,156,901.40, 78,245,849.70 and 18,071,194.20 is: 27,110,428.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,156,901.40 : 78,245,849.70 = 18,071,194.20 : x
  2. Step 2: Convert to fraction form
    52,156,901.40/78,245,849.70 = 18,071,194.20/x
  3. Step 3: Cross multiply
    52,156,901.40x = 78,245,849.70 × 18,071,194.20
  4. Step 4: Simplify right side
    52,156,901.40x = 1,413,995,945,272,711.75
  5. Step 5: Solve for x
    x = 1,413,995,945,272,711.75/52,156,901.40
  6. Step 6: Final answer
    x = 27,110,428.48

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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.