Home / 101,912,446.90-152,857,221.30-28,146,713.84

Finding the Fourth Proportional to 101,912,446.90, 152,857,221.30 and 28,146,713.84

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Solution

The fourth proportional to 101,912,446.90, 152,857,221.30 and 28,146,713.84 is: 42,216,908.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,912,446.90 : 152,857,221.30 = 28,146,713.84 : x
  2. Step 2: Convert to fraction form
    101,912,446.90/152,857,221.30 = 28,146,713.84/x
  3. Step 3: Cross multiply
    101,912,446.90x = 152,857,221.30 × 28,146,713.84
  4. Step 4: Simplify right side
    101,912,446.90x = 4,302,428,466,308,653
  5. Step 5: Solve for x
    x = 4,302,428,466,308,653/101,912,446.90
  6. Step 6: Final answer
    x = 42,216,908.70

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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.