Home / 219,024,306.20-328,536,459.30-132,860,005.40

Finding the Fourth Proportional to 219,024,306.20, 328,536,459.30 and 132,860,005.40

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Solution

The fourth proportional to 219,024,306.20, 328,536,459.30 and 132,860,005.40 is: 199,290,008.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,024,306.20 : 328,536,459.30 = 132,860,005.40 : x
  2. Step 2: Convert to fraction form
    219,024,306.20/328,536,459.30 = 132,860,005.40/x
  3. Step 3: Cross multiply
    219,024,306.20x = 328,536,459.30 × 132,860,005.40
  4. Step 4: Simplify right side
    219,024,306.20x = 43,649,355,756,694,880
  5. Step 5: Solve for x
    x = 43,649,355,756,694,880/219,024,306.20
  6. Step 6: Final answer
    x = 199,290,008.10

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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.