Home / 225,527,870.80-338,291,806.20-157,503,422.80

Finding the Fourth Proportional to 225,527,870.80, 338,291,806.20 and 157,503,422.80

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Solution

The fourth proportional to 225,527,870.80, 338,291,806.20 and 157,503,422.80 is: 236,255,134.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,527,870.80 : 338,291,806.20 = 157,503,422.80 : x
  2. Step 2: Convert to fraction form
    225,527,870.80/338,291,806.20 = 157,503,422.80/x
  3. Step 3: Cross multiply
    225,527,870.80x = 338,291,806.20 × 157,503,422.80
  4. Step 4: Simplify right side
    225,527,870.80x = 53,282,117,381,694,264
  5. Step 5: Solve for x
    x = 53,282,117,381,694,264/225,527,870.80
  6. Step 6: Final answer
    x = 236,255,134.20

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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.