Home / 156,148,103.33-215,486,739.20-85,583,148.95

Finding the Fourth Proportional to 156,148,103.33, 215,486,739.20 and 85,583,148.95

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Solution

The fourth proportional to 156,148,103.33, 215,486,739.20 and 85,583,148.95 is: 118,106,037.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,148,103.33 : 215,486,739.20 = 85,583,148.95 : x
  2. Step 2: Convert to fraction form
    156,148,103.33/215,486,739.20 = 85,583,148.95/x
  3. Step 3: Cross multiply
    156,148,103.33x = 215,486,739.20 × 85,583,148.95
  4. Step 4: Simplify right side
    156,148,103.33x = 18,442,033,696,198,052
  5. Step 5: Solve for x
    x = 18,442,033,696,198,052/156,148,103.33
  6. Step 6: Final answer
    x = 118,106,037.18

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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.