Home / 72,235,052.72-99,679,465.08-39,642,104.24

Finding the Fourth Proportional to 72,235,052.72, 99,679,465.08 and 39,642,104.24

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Solution

The fourth proportional to 72,235,052.72, 99,679,465.08 and 39,642,104.24 is: 54,703,410.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,235,052.72 : 99,679,465.08 = 39,642,104.24 : x
  2. Step 2: Convert to fraction form
    72,235,052.72/99,679,465.08 = 39,642,104.24/x
  3. Step 3: Cross multiply
    72,235,052.72x = 99,679,465.08 × 39,642,104.24
  4. Step 4: Simplify right side
    72,235,052.72x = 3,951,503,745,288,800
  5. Step 5: Solve for x
    x = 3,951,503,745,288,800/72,235,052.72
  6. Step 6: Final answer
    x = 54,703,410.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.