Home / 121,353,114.60-182,029,671.90-80,538,445.80

Finding the Fourth Proportional to 121,353,114.60, 182,029,671.90 and 80,538,445.80

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Solution

The fourth proportional to 121,353,114.60, 182,029,671.90 and 80,538,445.80 is: 120,807,668.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,353,114.60 : 182,029,671.90 = 80,538,445.80 : x
  2. Step 2: Convert to fraction form
    121,353,114.60/182,029,671.90 = 80,538,445.80/x
  3. Step 3: Cross multiply
    121,353,114.60x = 182,029,671.90 × 80,538,445.80
  4. Step 4: Simplify right side
    121,353,114.60x = 14,660,386,864,309,932
  5. Step 5: Solve for x
    x = 14,660,386,864,309,932/121,353,114.60
  6. Step 6: Final answer
    x = 120,807,668.70

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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.