Home / 200,227,898.10-300,341,847.15-70,981,446.90

Finding the Fourth Proportional to 200,227,898.10, 300,341,847.15 and 70,981,446.90

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Solution

The fourth proportional to 200,227,898.10, 300,341,847.15 and 70,981,446.90 is: 106,472,170.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,227,898.10 : 300,341,847.15 = 70,981,446.90 : x
  2. Step 2: Convert to fraction form
    200,227,898.10/300,341,847.15 = 70,981,446.90/x
  3. Step 3: Cross multiply
    200,227,898.10x = 300,341,847.15 × 70,981,446.90
  4. Step 4: Simplify right side
    200,227,898.10x = 21,318,698,875,325,640
  5. Step 5: Solve for x
    x = 21,318,698,875,325,640/200,227,898.10
  6. Step 6: Final answer
    x = 106,472,170.35

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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.