Home / 121,336,086.60-182,004,129.90-80,521,417.80

Finding the Fourth Proportional to 121,336,086.60, 182,004,129.90 and 80,521,417.80

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Solution

The fourth proportional to 121,336,086.60, 182,004,129.90 and 80,521,417.80 is: 120,782,126.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,336,086.60 : 182,004,129.90 = 80,521,417.80 : x
  2. Step 2: Convert to fraction form
    121,336,086.60/182,004,129.90 = 80,521,417.80/x
  3. Step 3: Cross multiply
    121,336,086.60x = 182,004,129.90 × 80,521,417.80
  4. Step 4: Simplify right side
    121,336,086.60x = 14,655,230,585,003,372
  5. Step 5: Solve for x
    x = 14,655,230,585,003,372/121,336,086.60
  6. Step 6: Final answer
    x = 120,782,126.70

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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.