Home / 218,682,157.60-301,781,920.80-119,569,301.28

Finding the Fourth Proportional to 218,682,157.60, 301,781,920.80 and 119,569,301.28

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Solution

The fourth proportional to 218,682,157.60, 301,781,920.80 and 119,569,301.28 is: 165,005,932.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,682,157.60 : 301,781,920.80 = 119,569,301.28 : x
  2. Step 2: Convert to fraction form
    218,682,157.60/301,781,920.80 = 119,569,301.28/x
  3. Step 3: Cross multiply
    218,682,157.60x = 301,781,920.80 × 119,569,301.28
  4. Step 4: Simplify right side
    218,682,157.60x = 36,083,853,408,992,304
  5. Step 5: Solve for x
    x = 36,083,853,408,992,304/218,682,157.60
  6. Step 6: Final answer
    x = 165,005,932.83

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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.