Home / 29,235,912.10-43,853,868.15-20,165,985.70

Finding the Fourth Proportional to 29,235,912.10, 43,853,868.15 and 20,165,985.70

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Solution

The fourth proportional to 29,235,912.10, 43,853,868.15 and 20,165,985.70 is: 30,248,978.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,235,912.10 : 43,853,868.15 = 20,165,985.70 : x
  2. Step 2: Convert to fraction form
    29,235,912.10/43,853,868.15 = 20,165,985.70/x
  3. Step 3: Cross multiply
    29,235,912.10x = 43,853,868.15 × 20,165,985.70
  4. Step 4: Simplify right side
    29,235,912.10x = 884,356,478,002,585.38
  5. Step 5: Solve for x
    x = 884,356,478,002,585.38/29,235,912.10
  6. Step 6: Final answer
    x = 30,248,978.55

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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.