Home / 71,245,299.12-106,801,463.88-28,114,859.76

Finding the Fourth Proportional to 71,245,299.12, 106,801,463.88 and 28,114,859.76

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Solution

The fourth proportional to 71,245,299.12, 106,801,463.88 and 28,114,859.76 is: 42,146,053.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,245,299.12 : 106,801,463.88 = 28,114,859.76 : x
  2. Step 2: Convert to fraction form
    71,245,299.12/106,801,463.88 = 28,114,859.76/x
  3. Step 3: Cross multiply
    71,245,299.12x = 106,801,463.88 × 28,114,859.76
  4. Step 4: Simplify right side
    71,245,299.12x = 3,002,708,179,148,905.50
  5. Step 5: Solve for x
    x = 3,002,708,179,148,905.50/71,245,299.12
  6. Step 6: Final answer
    x = 42,146,053.37

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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.