Home / 262,108,986.60-393,415,422.30-132,862,535.40

Finding the Fourth Proportional to 262,108,986.60, 393,415,422.30 and 132,862,535.40

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Solution

The fourth proportional to 262,108,986.60, 393,415,422.30 and 132,862,535.40 is: 199,421,512.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,108,986.60 : 393,415,422.30 = 132,862,535.40 : x
  2. Step 2: Convert to fraction form
    262,108,986.60/393,415,422.30 = 132,862,535.40/x
  3. Step 3: Cross multiply
    262,108,986.60x = 393,415,422.30 × 132,862,535.40
  4. Step 4: Simplify right side
    262,108,986.60x = 52,270,170,472,239,704
  5. Step 5: Solve for x
    x = 52,270,170,472,239,704/262,108,986.60
  6. Step 6: Final answer
    x = 199,421,512.21

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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.