Home / 129,346,648.40-194,019,972.60-88,531,979.60

Finding the Fourth Proportional to 129,346,648.40, 194,019,972.60 and 88,531,979.60

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Solution

The fourth proportional to 129,346,648.40, 194,019,972.60 and 88,531,979.60 is: 132,797,969.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,346,648.40 : 194,019,972.60 = 88,531,979.60 : x
  2. Step 2: Convert to fraction form
    129,346,648.40/194,019,972.60 = 88,531,979.60/x
  3. Step 3: Cross multiply
    129,346,648.40x = 194,019,972.60 × 88,531,979.60
  4. Step 4: Simplify right side
    129,346,648.40x = 17,176,972,256,215,758
  5. Step 5: Solve for x
    x = 17,176,972,256,215,758/129,346,648.40
  6. Step 6: Final answer
    x = 132,797,969.40

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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.