Home / 133,787,231.40-200,680,847.10-42,920,005.80

Finding the Fourth Proportional to 133,787,231.40, 200,680,847.10 and 42,920,005.80

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Solution

The fourth proportional to 133,787,231.40, 200,680,847.10 and 42,920,005.80 is: 64,380,008.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,787,231.40 : 200,680,847.10 = 42,920,005.80 : x
  2. Step 2: Convert to fraction form
    133,787,231.40/200,680,847.10 = 42,920,005.80/x
  3. Step 3: Cross multiply
    133,787,231.40x = 200,680,847.10 × 42,920,005.80
  4. Step 4: Simplify right side
    133,787,231.40x = 8,613,223,121,480,912
  5. Step 5: Solve for x
    x = 8,613,223,121,480,912/133,787,231.40
  6. Step 6: Final answer
    x = 64,380,008.70

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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.