Home / 129,024,136.20-193,536,204.30-97,173,640.20

Finding the Fourth Proportional to 129,024,136.20, 193,536,204.30 and 97,173,640.20

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Solution

The fourth proportional to 129,024,136.20, 193,536,204.30 and 97,173,640.20 is: 145,760,460.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,024,136.20 : 193,536,204.30 = 97,173,640.20 : x
  2. Step 2: Convert to fraction form
    129,024,136.20/193,536,204.30 = 97,173,640.20/x
  3. Step 3: Cross multiply
    129,024,136.20x = 193,536,204.30 × 97,173,640.20
  4. Step 4: Simplify right side
    129,024,136.20x = 18,806,617,482,321,896
  5. Step 5: Solve for x
    x = 18,806,617,482,321,896/129,024,136.20
  6. Step 6: Final answer
    x = 145,760,460.30

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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.