Home / 121,343,615.20-182,015,422.80-44,721,632.80

Finding the Fourth Proportional to 121,343,615.20, 182,015,422.80 and 44,721,632.80

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Solution

The fourth proportional to 121,343,615.20, 182,015,422.80 and 44,721,632.80 is: 67,082,449.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,343,615.20 : 182,015,422.80 = 44,721,632.80 : x
  2. Step 2: Convert to fraction form
    121,343,615.20/182,015,422.80 = 44,721,632.80/x
  3. Step 3: Cross multiply
    121,343,615.20x = 182,015,422.80 × 44,721,632.80
  4. Step 4: Simplify right side
    121,343,615.20x = 8,140,026,902,398,348
  5. Step 5: Solve for x
    x = 8,140,026,902,398,348/121,343,615.20
  6. Step 6: Final answer
    x = 67,082,449.20

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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.