Home / 72,482,605.18-100,024,701.51-39,441,727.42

Finding the Fourth Proportional to 72,482,605.18, 100,024,701.51 and 39,441,727.42

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Solution

The fourth proportional to 72,482,605.18, 100,024,701.51 and 39,441,727.42 is: 54,428,879.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,482,605.18 : 100,024,701.51 = 39,441,727.42 : x
  2. Step 2: Convert to fraction form
    72,482,605.18/100,024,701.51 = 39,441,727.42/x
  3. Step 3: Cross multiply
    72,482,605.18x = 100,024,701.51 × 39,441,727.42
  4. Step 4: Simplify right side
    72,482,605.18x = 3,945,147,012,224,283
  5. Step 5: Solve for x
    x = 3,945,147,012,224,283/72,482,605.18
  6. Step 6: Final answer
    x = 54,428,879.90

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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.