Home / 265,700,113.38-398,523,260.73-71,631,146.20

Finding the Fourth Proportional to 265,700,113.38, 398,523,260.73 and 71,631,146.20

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Solution

The fourth proportional to 265,700,113.38, 398,523,260.73 and 71,631,146.20 is: 107,439,464.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,700,113.38 : 398,523,260.73 = 71,631,146.20 : x
  2. Step 2: Convert to fraction form
    265,700,113.38/398,523,260.73 = 71,631,146.20/x
  3. Step 3: Cross multiply
    265,700,113.38x = 398,523,260.73 × 71,631,146.20
  4. Step 4: Simplify right side
    265,700,113.38x = 28,546,677,954,218,120
  5. Step 5: Solve for x
    x = 28,546,677,954,218,120/265,700,113.38
  6. Step 6: Final answer
    x = 107,439,464.71

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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.