Home / 139,341,033.12-192,007,043.28-107,787,388.80

Finding the Fourth Proportional to 139,341,033.12, 192,007,043.28 and 107,787,388.80

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Solution

The fourth proportional to 139,341,033.12, 192,007,043.28 and 107,787,388.80 is: 148,527,231.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,341,033.12 : 192,007,043.28 = 107,787,388.80 : x
  2. Step 2: Convert to fraction form
    139,341,033.12/192,007,043.28 = 107,787,388.80/x
  3. Step 3: Cross multiply
    139,341,033.12x = 192,007,043.28 × 107,787,388.80
  4. Step 4: Simplify right side
    139,341,033.12x = 20,695,937,826,359,788
  5. Step 5: Solve for x
    x = 20,695,937,826,359,788/139,341,033.12
  6. Step 6: Final answer
    x = 148,527,231.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.