Home / 121,336,097.60-182,004,146.40-80,521,428.80

Finding the Fourth Proportional to 121,336,097.60, 182,004,146.40 and 80,521,428.80

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Solution

The fourth proportional to 121,336,097.60, 182,004,146.40 and 80,521,428.80 is: 120,782,143.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,336,097.60 : 182,004,146.40 = 80,521,428.80 : x
  2. Step 2: Convert to fraction form
    121,336,097.60/182,004,146.40 = 80,521,428.80/x
  3. Step 3: Cross multiply
    121,336,097.60x = 182,004,146.40 × 80,521,428.80
  4. Step 4: Simplify right side
    121,336,097.60x = 14,655,233,915,652,376
  5. Step 5: Solve for x
    x = 14,655,233,915,652,376/121,336,097.60
  6. Step 6: Final answer
    x = 120,782,143.20

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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.