Home / 149,761,144.70-206,678,363.10-83,683,246.98

Finding the Fourth Proportional to 149,761,144.70, 206,678,363.10 and 83,683,246.98

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Solution

The fourth proportional to 149,761,144.70, 206,678,363.10 and 83,683,246.98 is: 115,487,341.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,761,144.70 : 206,678,363.10 = 83,683,246.98 : x
  2. Step 2: Convert to fraction form
    149,761,144.70/206,678,363.10 = 83,683,246.98/x
  3. Step 3: Cross multiply
    149,761,144.70x = 206,678,363.10 × 83,683,246.98
  4. Step 4: Simplify right side
    149,761,144.70x = 17,295,516,504,719,418
  5. Step 5: Solve for x
    x = 17,295,516,504,719,418/149,761,144.70
  6. Step 6: Final answer
    x = 115,487,341.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.