Home / 133,787,231.90-200,680,847.85-42,920,006.30

Finding the Fourth Proportional to 133,787,231.90, 200,680,847.85 and 42,920,006.30

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Solution

The fourth proportional to 133,787,231.90, 200,680,847.85 and 42,920,006.30 is: 64,380,009.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,787,231.90 : 200,680,847.85 = 42,920,006.30 : x
  2. Step 2: Convert to fraction form
    133,787,231.90/200,680,847.85 = 42,920,006.30/x
  3. Step 3: Cross multiply
    133,787,231.90x = 200,680,847.85 × 42,920,006.30
  4. Step 4: Simplify right side
    133,787,231.90x = 8,613,223,254,011,341
  5. Step 5: Solve for x
    x = 8,613,223,254,011,341/133,787,231.90
  6. Step 6: Final answer
    x = 64,380,009.45

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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.