Home / 218,682,165.60-301,781,931.12-119,569,308.72

Finding the Fourth Proportional to 218,682,165.60, 301,781,931.12 and 119,569,308.72

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Solution

The fourth proportional to 218,682,165.60, 301,781,931.12 and 119,569,308.72 is: 165,005,942.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,682,165.60 : 301,781,931.12 = 119,569,308.72 : x
  2. Step 2: Convert to fraction form
    218,682,165.60/301,781,931.12 = 119,569,308.72/x
  3. Step 3: Cross multiply
    218,682,165.60x = 301,781,931.12 × 119,569,308.72
  4. Step 4: Simplify right side
    218,682,165.60x = 36,083,856,888,205,056
  5. Step 5: Solve for x
    x = 36,083,856,888,205,056/218,682,165.60
  6. Step 6: Final answer
    x = 165,005,942.71

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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.