Home / 121,344,672.60-182,017,008.90-80,530,003.80

Finding the Fourth Proportional to 121,344,672.60, 182,017,008.90 and 80,530,003.80

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Solution

The fourth proportional to 121,344,672.60, 182,017,008.90 and 80,530,003.80 is: 120,795,005.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,344,672.60 : 182,017,008.90 = 80,530,003.80 : x
  2. Step 2: Convert to fraction form
    121,344,672.60/182,017,008.90 = 80,530,003.80/x
  3. Step 3: Cross multiply
    121,344,672.60x = 182,017,008.90 × 80,530,003.80
  4. Step 4: Simplify right side
    121,344,672.60x = 14,657,830,418,381,634
  5. Step 5: Solve for x
    x = 14,657,830,418,381,634/121,344,672.60
  6. Step 6: Final answer
    x = 120,795,005.70

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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.