Home / 129,489,133.20-194,233,699.80-88,674,464.40

Finding the Fourth Proportional to 129,489,133.20, 194,233,699.80 and 88,674,464.40

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Solution

The fourth proportional to 129,489,133.20, 194,233,699.80 and 88,674,464.40 is: 133,011,696.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,489,133.20 : 194,233,699.80 = 88,674,464.40 : x
  2. Step 2: Convert to fraction form
    129,489,133.20/194,233,699.80 = 88,674,464.40/x
  3. Step 3: Cross multiply
    129,489,133.20x = 194,233,699.80 × 88,674,464.40
  4. Step 4: Simplify right side
    129,489,133.20x = 17,223,569,298,195,390
  5. Step 5: Solve for x
    x = 17,223,569,298,195,390/129,489,133.20
  6. Step 6: Final answer
    x = 133,011,696.60

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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.