Home / 332,495,999.70-498,743,999.55-138,342,887.70

Finding the Fourth Proportional to 332,495,999.70, 498,743,999.55 and 138,342,887.70

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Solution

The fourth proportional to 332,495,999.70, 498,743,999.55 and 138,342,887.70 is: 207,514,331.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,495,999.70 : 498,743,999.55 = 138,342,887.70 : x
  2. Step 2: Convert to fraction form
    332,495,999.70/498,743,999.55 = 138,342,887.70/x
  3. Step 3: Cross multiply
    332,495,999.70x = 498,743,999.55 × 138,342,887.70
  4. Step 4: Simplify right side
    332,495,999.70x = 68,997,685,120,794,496
  5. Step 5: Solve for x
    x = 68,997,685,120,794,496/332,495,999.70
  6. Step 6: Final answer
    x = 207,514,331.55

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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.