Home / 129,346,772.40-194,020,158.60-88,532,103.60

Finding the Fourth Proportional to 129,346,772.40, 194,020,158.60 and 88,532,103.60

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Solution

The fourth proportional to 129,346,772.40, 194,020,158.60 and 88,532,103.60 is: 132,798,155.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,346,772.40 : 194,020,158.60 = 88,532,103.60 : x
  2. Step 2: Convert to fraction form
    129,346,772.40/194,020,158.60 = 88,532,103.60/x
  3. Step 3: Cross multiply
    129,346,772.40x = 194,020,158.60 × 88,532,103.60
  4. Step 4: Simplify right side
    129,346,772.40x = 17,177,012,781,663,630
  5. Step 5: Solve for x
    x = 17,177,012,781,663,630/129,346,772.40
  6. Step 6: Final answer
    x = 132,798,155.40

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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.