Home / 136,220,003.10-204,330,004.65-74,997,999.90

Finding the Fourth Proportional to 136,220,003.10, 204,330,004.65 and 74,997,999.90

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Solution

The fourth proportional to 136,220,003.10, 204,330,004.65 and 74,997,999.90 is: 112,496,999.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,220,003.10 : 204,330,004.65 = 74,997,999.90 : x
  2. Step 2: Convert to fraction form
    136,220,003.10/204,330,004.65 = 74,997,999.90/x
  3. Step 3: Cross multiply
    136,220,003.10x = 204,330,004.65 × 74,997,999.90
  4. Step 4: Simplify right side
    136,220,003.10x = 15,324,341,668,307,702
  5. Step 5: Solve for x
    x = 15,324,341,668,307,702/136,220,003.10
  6. Step 6: Final answer
    x = 112,496,999.85

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Similar ratio
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1.5x scale

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.