Home / 133,792,138.40-200,688,207.60-42,924,912.80

Finding the Fourth Proportional to 133,792,138.40, 200,688,207.60 and 42,924,912.80

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Solution

The fourth proportional to 133,792,138.40, 200,688,207.60 and 42,924,912.80 is: 64,387,369.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,792,138.40 : 200,688,207.60 = 42,924,912.80 : x
  2. Step 2: Convert to fraction form
    133,792,138.40/200,688,207.60 = 42,924,912.80/x
  3. Step 3: Cross multiply
    133,792,138.40x = 200,688,207.60 × 42,924,912.80
  4. Step 4: Simplify right side
    133,792,138.40x = 8,614,523,811,218,296
  5. Step 5: Solve for x
    x = 8,614,523,811,218,296/133,792,138.40
  6. Step 6: Final answer
    x = 64,387,369.20

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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.