Home / 170,829,019.20-256,243,528.80-112,715,945.85

Finding the Fourth Proportional to 170,829,019.20, 256,243,528.80 and 112,715,945.85

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Solution

The fourth proportional to 170,829,019.20, 256,243,528.80 and 112,715,945.85 is: 169,073,918.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,829,019.20 : 256,243,528.80 = 112,715,945.85 : x
  2. Step 2: Convert to fraction form
    170,829,019.20/256,243,528.80 = 112,715,945.85/x
  3. Step 3: Cross multiply
    170,829,019.20x = 256,243,528.80 × 112,715,945.85
  4. Step 4: Simplify right side
    170,829,019.20x = 28,882,731,716,633,716
  5. Step 5: Solve for x
    x = 28,882,731,716,633,716/170,829,019.20
  6. Step 6: Final answer
    x = 169,073,918.78

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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.