Home / 141,466,499.20-212,311,723.20-55,246,211.20

Finding the Fourth Proportional to 141,466,499.20, 212,311,723.20 and 55,246,211.20

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Solution

The fourth proportional to 141,466,499.20, 212,311,723.20 and 55,246,211.20 is: 82,913,045.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,466,499.20 : 212,311,723.20 = 55,246,211.20 : x
  2. Step 2: Convert to fraction form
    141,466,499.20/212,311,723.20 = 55,246,211.20/x
  3. Step 3: Cross multiply
    141,466,499.20x = 212,311,723.20 × 55,246,211.20
  4. Step 4: Simplify right side
    141,466,499.20x = 11,729,418,300,143,140
  5. Step 5: Solve for x
    x = 11,729,418,300,143,140/141,466,499.20
  6. Step 6: Final answer
    x = 82,913,045.61

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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.