Home / 145,521,000.30-218,281,500.45-131,172,093.30

Finding the Fourth Proportional to 145,521,000.30, 218,281,500.45 and 131,172,093.30

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Solution

The fourth proportional to 145,521,000.30, 218,281,500.45 and 131,172,093.30 is: 196,758,139.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,521,000.30 : 218,281,500.45 = 131,172,093.30 : x
  2. Step 2: Convert to fraction form
    145,521,000.30/218,281,500.45 = 131,172,093.30/x
  3. Step 3: Cross multiply
    145,521,000.30x = 218,281,500.45 × 131,172,093.30
  4. Step 4: Simplify right side
    145,521,000.30x = 28,632,441,342,691,388
  5. Step 5: Solve for x
    x = 28,632,441,342,691,388/145,521,000.30
  6. Step 6: Final answer
    x = 196,758,139.95

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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.