Home / 326,434,832.29-489,199,236.57-148,737,705.65

Finding the Fourth Proportional to 326,434,832.29, 489,199,236.57 and 148,737,705.65

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Solution

The fourth proportional to 326,434,832.29, 489,199,236.57 and 148,737,705.65 is: 222,900,146.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,434,832.29 : 489,199,236.57 = 148,737,705.65 : x
  2. Step 2: Convert to fraction form
    326,434,832.29/489,199,236.57 = 148,737,705.65/x
  3. Step 3: Cross multiply
    326,434,832.29x = 489,199,236.57 × 148,737,705.65
  4. Step 4: Simplify right side
    326,434,832.29x = 72,762,372,053,153,376
  5. Step 5: Solve for x
    x = 72,762,372,053,153,376/326,434,832.29
  6. Step 6: Final answer
    x = 222,900,146.85

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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.