Home / 129,037,270.80-193,555,906.20-88,162,467.60

Finding the Fourth Proportional to 129,037,270.80, 193,555,906.20 and 88,162,467.60

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Solution

The fourth proportional to 129,037,270.80, 193,555,906.20 and 88,162,467.60 is: 132,243,701.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,037,270.80 : 193,555,906.20 = 88,162,467.60 : x
  2. Step 2: Convert to fraction form
    129,037,270.80/193,555,906.20 = 88,162,467.60/x
  3. Step 3: Cross multiply
    129,037,270.80x = 193,555,906.20 × 88,162,467.60
  4. Step 4: Simplify right side
    129,037,270.80x = 17,064,366,309,146,136
  5. Step 5: Solve for x
    x = 17,064,366,309,146,136/129,037,270.80
  6. Step 6: Final answer
    x = 132,243,701.40

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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.