Home / 425,569,000.20-638,353,500.30-102,452,872.20

Finding the Fourth Proportional to 425,569,000.20, 638,353,500.30 and 102,452,872.20

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Solution

The fourth proportional to 425,569,000.20, 638,353,500.30 and 102,452,872.20 is: 153,679,308.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,569,000.20 : 638,353,500.30 = 102,452,872.20 : x
  2. Step 2: Convert to fraction form
    425,569,000.20/638,353,500.30 = 102,452,872.20/x
  3. Step 3: Cross multiply
    425,569,000.20x = 638,353,500.30 × 102,452,872.20
  4. Step 4: Simplify right side
    425,569,000.20x = 65,401,149,584,658,560
  5. Step 5: Solve for x
    x = 65,401,149,584,658,560/425,569,000.20
  6. Step 6: Final answer
    x = 153,679,308.30

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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.