Home / 168,369,785.70-252,554,678.55-112,887,345.30

Finding the Fourth Proportional to 168,369,785.70, 252,554,678.55 and 112,887,345.30

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Solution

The fourth proportional to 168,369,785.70, 252,554,678.55 and 112,887,345.30 is: 169,331,017.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,369,785.70 : 252,554,678.55 = 112,887,345.30 : x
  2. Step 2: Convert to fraction form
    168,369,785.70/252,554,678.55 = 112,887,345.30/x
  3. Step 3: Cross multiply
    168,369,785.70x = 252,554,678.55 × 112,887,345.30
  4. Step 4: Simplify right side
    168,369,785.70x = 28,510,227,204,604,352
  5. Step 5: Solve for x
    x = 28,510,227,204,604,352/168,369,785.70
  6. Step 6: Final answer
    x = 169,331,017.95

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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.