Home / 72,482,615.68-100,024,716-39,441,737.92

Finding the Fourth Proportional to 72,482,615.68, 100,024,716 and 39,441,737.92

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Solution

The fourth proportional to 72,482,615.68, 100,024,716 and 39,441,737.92 is: 54,428,894.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,482,615.68 : 100,024,716 = 39,441,737.92 : x
  2. Step 2: Convert to fraction form
    72,482,615.68/100,024,716 = 39,441,737.92/x
  3. Step 3: Cross multiply
    72,482,615.68x = 100,024,716 × 39,441,737.92
  4. Step 4: Simplify right side
    72,482,615.68x = 3,945,148,633,994,431
  5. Step 5: Solve for x
    x = 3,945,148,633,994,431/72,482,615.68
  6. Step 6: Final answer
    x = 54,428,894.39

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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.