Home / 265,721,704.20-398,582,556.30-136,581,541.20

Finding the Fourth Proportional to 265,721,704.20, 398,582,556.30 and 136,581,541.20

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Solution

The fourth proportional to 265,721,704.20, 398,582,556.30 and 136,581,541.20 is: 204,872,311.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,721,704.20 : 398,582,556.30 = 136,581,541.20 : x
  2. Step 2: Convert to fraction form
    265,721,704.20/398,582,556.30 = 136,581,541.20/x
  3. Step 3: Cross multiply
    265,721,704.20x = 398,582,556.30 × 136,581,541.20
  4. Step 4: Simplify right side
    265,721,704.20x = 54,439,019,834,889,768
  5. Step 5: Solve for x
    x = 54,439,019,834,889,768/265,721,704.20
  6. Step 6: Final answer
    x = 204,872,311.80

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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.