Home / 262,124,104.40-392,684,806.20-140,915,272.40

Finding the Fourth Proportional to 262,124,104.40, 392,684,806.20 and 140,915,272.40

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Solution

The fourth proportional to 262,124,104.40, 392,684,806.20 and 140,915,272.40 is: 211,103,387.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,124,104.40 : 392,684,806.20 = 140,915,272.40 : x
  2. Step 2: Convert to fraction form
    262,124,104.40/392,684,806.20 = 140,915,272.40/x
  3. Step 3: Cross multiply
    262,124,104.40x = 392,684,806.20 × 140,915,272.40
  4. Step 4: Simplify right side
    262,124,104.40x = 55,335,286,433,014,208
  5. Step 5: Solve for x
    x = 55,335,286,433,014,208/262,124,104.40
  6. Step 6: Final answer
    x = 211,103,387.69

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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.