Home / 81,490,675.65-122,236,013.48-26,911,684.95

Finding the Fourth Proportional to 81,490,675.65, 122,236,013.48 and 26,911,684.95

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Solution

The fourth proportional to 81,490,675.65, 122,236,013.48 and 26,911,684.95 is: 40,367,527.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,490,675.65 : 122,236,013.48 = 26,911,684.95 : x
  2. Step 2: Convert to fraction form
    81,490,675.65/122,236,013.48 = 26,911,684.95/x
  3. Step 3: Cross multiply
    81,490,675.65x = 122,236,013.48 × 26,911,684.95
  4. Step 4: Simplify right side
    81,490,675.65x = 3,289,577,084,183,154.50
  5. Step 5: Solve for x
    x = 3,289,577,084,183,154.50/81,490,675.65
  6. Step 6: Final answer
    x = 40,367,527.43

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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.