Home / 262,217,854.80-393,326,782.20-89,679,301.20

Finding the Fourth Proportional to 262,217,854.80, 393,326,782.20 and 89,679,301.20

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Solution

The fourth proportional to 262,217,854.80, 393,326,782.20 and 89,679,301.20 is: 134,518,951.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,217,854.80 : 393,326,782.20 = 89,679,301.20 : x
  2. Step 2: Convert to fraction form
    262,217,854.80/393,326,782.20 = 89,679,301.20/x
  3. Step 3: Cross multiply
    262,217,854.80x = 393,326,782.20 × 89,679,301.20
  4. Step 4: Simplify right side
    262,217,854.80x = 35,273,270,970,940,600
  5. Step 5: Solve for x
    x = 35,273,270,970,940,600/262,217,854.80
  6. Step 6: Final answer
    x = 134,518,951.80

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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.