Home / 168,490,822.60-252,736,233.90-66,220,870.60

Finding the Fourth Proportional to 168,490,822.60, 252,736,233.90 and 66,220,870.60

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Solution

The fourth proportional to 168,490,822.60, 252,736,233.90 and 66,220,870.60 is: 99,331,305.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,490,822.60 : 252,736,233.90 = 66,220,870.60 : x
  2. Step 2: Convert to fraction form
    168,490,822.60/252,736,233.90 = 66,220,870.60/x
  3. Step 3: Cross multiply
    168,490,822.60x = 252,736,233.90 × 66,220,870.60
  4. Step 4: Simplify right side
    168,490,822.60x = 16,736,413,441,023,234
  5. Step 5: Solve for x
    x = 16,736,413,441,023,234/168,490,822.60
  6. Step 6: Final answer
    x = 99,331,305.90

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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.