Home / 129,030,136.20-193,545,204.30-57,366,520.20

Finding the Fourth Proportional to 129,030,136.20, 193,545,204.30 and 57,366,520.20

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Solution

The fourth proportional to 129,030,136.20, 193,545,204.30 and 57,366,520.20 is: 86,049,780.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,030,136.20 : 193,545,204.30 = 57,366,520.20 : x
  2. Step 2: Convert to fraction form
    129,030,136.20/193,545,204.30 = 57,366,520.20/x
  3. Step 3: Cross multiply
    129,030,136.20x = 193,545,204.30 × 57,366,520.20
  4. Step 4: Simplify right side
    129,030,136.20x = 11,103,014,872,089,078
  5. Step 5: Solve for x
    x = 11,103,014,872,089,078/129,030,136.20
  6. Step 6: Final answer
    x = 86,049,780.30

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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.