Home / 129,346,429.40-194,019,644.10-88,531,760.60

Finding the Fourth Proportional to 129,346,429.40, 194,019,644.10 and 88,531,760.60

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Solution

The fourth proportional to 129,346,429.40, 194,019,644.10 and 88,531,760.60 is: 132,797,640.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,346,429.40 : 194,019,644.10 = 88,531,760.60 : x
  2. Step 2: Convert to fraction form
    129,346,429.40/194,019,644.10 = 88,531,760.60/x
  3. Step 3: Cross multiply
    129,346,429.40x = 194,019,644.10 × 88,531,760.60
  4. Step 4: Simplify right side
    129,346,429.40x = 17,176,900,683,158,400
  5. Step 5: Solve for x
    x = 17,176,900,683,158,400/129,346,429.40
  6. Step 6: Final answer
    x = 132,797,640.90

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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.