Home / 168,369,781.20-252,554,671.80-112,887,340.80

Finding the Fourth Proportional to 168,369,781.20, 252,554,671.80 and 112,887,340.80

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Solution

The fourth proportional to 168,369,781.20, 252,554,671.80 and 112,887,340.80 is: 169,331,011.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,369,781.20 : 252,554,671.80 = 112,887,340.80 : x
  2. Step 2: Convert to fraction form
    168,369,781.20/252,554,671.80 = 112,887,340.80/x
  3. Step 3: Cross multiply
    168,369,781.20x = 252,554,671.80 × 112,887,340.80
  4. Step 4: Simplify right side
    168,369,781.20x = 28,510,225,306,118,752
  5. Step 5: Solve for x
    x = 28,510,225,306,118,752/168,369,781.20
  6. Step 6: Final answer
    x = 169,331,011.20

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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.