Home / 133,787,234.40-200,680,851.60-42,920,008.80

Finding the Fourth Proportional to 133,787,234.40, 200,680,851.60 and 42,920,008.80

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Solution

The fourth proportional to 133,787,234.40, 200,680,851.60 and 42,920,008.80 is: 64,380,013.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,787,234.40 : 200,680,851.60 = 42,920,008.80 : x
  2. Step 2: Convert to fraction form
    133,787,234.40/200,680,851.60 = 42,920,008.80/x
  3. Step 3: Cross multiply
    133,787,234.40x = 200,680,851.60 × 42,920,008.80
  4. Step 4: Simplify right side
    133,787,234.40x = 8,613,223,916,663,493
  5. Step 5: Solve for x
    x = 8,613,223,916,663,493/133,787,234.40
  6. Step 6: Final answer
    x = 64,380,013.20

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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.