Home / 125,976,191.52-188,964,289.68-30,238,079.52

Finding the Fourth Proportional to 125,976,191.52, 188,964,289.68 and 30,238,079.52

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Solution

The fourth proportional to 125,976,191.52, 188,964,289.68 and 30,238,079.52 is: 45,357,119.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,976,191.52 : 188,964,289.68 = 30,238,079.52 : x
  2. Step 2: Convert to fraction form
    125,976,191.52/188,964,289.68 = 30,238,079.52/x
  3. Step 3: Cross multiply
    125,976,191.52x = 188,964,289.68 × 30,238,079.52
  4. Step 4: Simplify right side
    125,976,191.52x = 5,713,917,217,784,155
  5. Step 5: Solve for x
    x = 5,713,917,217,784,155/125,976,191.52
  6. Step 6: Final answer
    x = 45,357,119.86

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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.