Home / 112,975,729.20-169,479,340.20-48,279,020.40

Finding the Fourth Proportional to 112,975,729.20, 169,479,340.20 and 48,279,020.40

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Solution

The fourth proportional to 112,975,729.20, 169,479,340.20 and 48,279,020.40 is: 72,425,259.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,975,729.20 : 169,479,340.20 = 48,279,020.40 : x
  2. Step 2: Convert to fraction form
    112,975,729.20/169,479,340.20 = 48,279,020.40/x
  3. Step 3: Cross multiply
    112,975,729.20x = 169,479,340.20 × 48,279,020.40
  4. Step 4: Simplify right side
    112,975,729.20x = 8,182,296,522,894,339
  5. Step 5: Solve for x
    x = 8,182,296,522,894,339/112,975,729.20
  6. Step 6: Final answer
    x = 72,425,259.66

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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.