Home / 61,189,902.10-91,758,281.10-20,233,515.70

Finding the Fourth Proportional to 61,189,902.10, 91,758,281.10 and 20,233,515.70

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Solution

The fourth proportional to 61,189,902.10, 91,758,281.10 and 20,233,515.70 is: 30,341,487.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,189,902.10 : 91,758,281.10 = 20,233,515.70 : x
  2. Step 2: Convert to fraction form
    61,189,902.10/91,758,281.10 = 20,233,515.70/x
  3. Step 3: Cross multiply
    61,189,902.10x = 91,758,281.10 × 20,233,515.70
  4. Step 4: Simplify right side
    61,189,902.10x = 1,856,592,621,241,863
  5. Step 5: Solve for x
    x = 1,856,592,621,241,863/61,189,902.10
  6. Step 6: Final answer
    x = 30,341,487.04

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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.