Home / 125,976,266.70-188,964,400.05-30,238,154.70

Finding the Fourth Proportional to 125,976,266.70, 188,964,400.05 and 30,238,154.70

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Solution

The fourth proportional to 125,976,266.70, 188,964,400.05 and 30,238,154.70 is: 45,357,232.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,976,266.70 : 188,964,400.05 = 30,238,154.70 : x
  2. Step 2: Convert to fraction form
    125,976,266.70/188,964,400.05 = 30,238,154.70/x
  3. Step 3: Cross multiply
    125,976,266.70x = 188,964,400.05 × 30,238,154.70
  4. Step 4: Simplify right side
    125,976,266.70x = 5,713,934,761,504,588
  5. Step 5: Solve for x
    x = 5,713,934,761,504,588/125,976,266.70
  6. Step 6: Final answer
    x = 45,357,232.05

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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.