Home / 108,225,871.50-162,365,712.20-31,549,573.74

Finding the Fourth Proportional to 108,225,871.50, 162,365,712.20 and 31,549,573.74

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Solution

The fourth proportional to 108,225,871.50, 162,365,712.20 and 31,549,573.74 is: 47,332,203.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,225,871.50 : 162,365,712.20 = 31,549,573.74 : x
  2. Step 2: Convert to fraction form
    108,225,871.50/162,365,712.20 = 31,549,573.74/x
  3. Step 3: Cross multiply
    108,225,871.50x = 162,365,712.20 × 31,549,573.74
  4. Step 4: Simplify right side
    108,225,871.50x = 5,122,569,009,901,517
  5. Step 5: Solve for x
    x = 5,122,569,009,901,517/108,225,871.50
  6. Step 6: Final answer
    x = 47,332,203.83

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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.