Home / 272,156,973.29-408,234,294.78-75,419,824.58

Finding the Fourth Proportional to 272,156,973.29, 408,234,294.78 and 75,419,824.58

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Solution

The fourth proportional to 272,156,973.29, 408,234,294.78 and 75,419,824.58 is: 113,129,413.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,156,973.29 : 408,234,294.78 = 75,419,824.58 : x
  2. Step 2: Convert to fraction form
    272,156,973.29/408,234,294.78 = 75,419,824.58/x
  3. Step 3: Cross multiply
    272,156,973.29x = 408,234,294.78 × 75,419,824.58
  4. Step 4: Simplify right side
    272,156,973.29x = 30,788,958,898,329,932
  5. Step 5: Solve for x
    x = 30,788,958,898,329,932/272,156,973.29
  6. Step 6: Final answer
    x = 113,129,413.98

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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.