Home / 133,059,419.20-199,589,128.80-75,529,460.80

Finding the Fourth Proportional to 133,059,419.20, 199,589,128.80 and 75,529,460.80

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Solution

The fourth proportional to 133,059,419.20, 199,589,128.80 and 75,529,460.80 is: 113,294,191.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,059,419.20 : 199,589,128.80 = 75,529,460.80 : x
  2. Step 2: Convert to fraction form
    133,059,419.20/199,589,128.80 = 75,529,460.80/x
  3. Step 3: Cross multiply
    133,059,419.20x = 199,589,128.80 × 75,529,460.80
  4. Step 4: Simplify right side
    133,059,419.20x = 15,074,859,279,805,752
  5. Step 5: Solve for x
    x = 15,074,859,279,805,752/133,059,419.20
  6. Step 6: Final answer
    x = 113,294,191.20

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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.