Home / 72,751,687.29-109,087,156.10-24,203,038.79

Finding the Fourth Proportional to 72,751,687.29, 109,087,156.10 and 24,203,038.79

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Solution

The fourth proportional to 72,751,687.29, 109,087,156.10 and 24,203,038.79 is: 36,291,126.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,751,687.29 : 109,087,156.10 = 24,203,038.79 : x
  2. Step 2: Convert to fraction form
    72,751,687.29/109,087,156.10 = 24,203,038.79/x
  3. Step 3: Cross multiply
    72,751,687.29x = 109,087,156.10 × 24,203,038.79
  4. Step 4: Simplify right side
    72,751,687.29x = 2,640,240,669,912,634
  5. Step 5: Solve for x
    x = 2,640,240,669,912,634/72,751,687.29
  6. Step 6: Final answer
    x = 36,291,126.27

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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.