Home / 129,322,470.80-194,011,699.80-38,455,245.20

Finding the Fourth Proportional to 129,322,470.80, 194,011,699.80 and 38,455,245.20

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Solution

The fourth proportional to 129,322,470.80, 194,011,699.80 and 38,455,245.20 is: 57,691,191.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,322,470.80 : 194,011,699.80 = 38,455,245.20 : x
  2. Step 2: Convert to fraction form
    129,322,470.80/194,011,699.80 = 38,455,245.20/x
  3. Step 3: Cross multiply
    129,322,470.80x = 194,011,699.80 × 38,455,245.20
  4. Step 4: Simplify right side
    129,322,470.80x = 7,460,767,487,477,792
  5. Step 5: Solve for x
    x = 7,460,767,487,477,792/129,322,470.80
  6. Step 6: Final answer
    x = 57,691,191.96

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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.