Home / 242,287,612.40-363,431,418.60-145,541,730.80

Finding the Fourth Proportional to 242,287,612.40, 363,431,418.60 and 145,541,730.80

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Solution

The fourth proportional to 242,287,612.40, 363,431,418.60 and 145,541,730.80 is: 218,312,596.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,287,612.40 : 363,431,418.60 = 145,541,730.80 : x
  2. Step 2: Convert to fraction form
    242,287,612.40/363,431,418.60 = 145,541,730.80/x
  3. Step 3: Cross multiply
    242,287,612.40x = 363,431,418.60 × 145,541,730.80
  4. Step 4: Simplify right side
    242,287,612.40x = 52,894,437,690,143,320
  5. Step 5: Solve for x
    x = 52,894,437,690,143,320/242,287,612.40
  6. Step 6: Final answer
    x = 218,312,596.20

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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.