Home / 126,925,306.40-190,387,959.60-115,777,632.80

Finding the Fourth Proportional to 126,925,306.40, 190,387,959.60 and 115,777,632.80

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Solution

The fourth proportional to 126,925,306.40, 190,387,959.60 and 115,777,632.80 is: 173,666,449.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,925,306.40 : 190,387,959.60 = 115,777,632.80 : x
  2. Step 2: Convert to fraction form
    126,925,306.40/190,387,959.60 = 115,777,632.80/x
  3. Step 3: Cross multiply
    126,925,306.40x = 190,387,959.60 × 115,777,632.80
  4. Step 4: Simplify right side
    126,925,306.40x = 22,042,667,276,110,032
  5. Step 5: Solve for x
    x = 22,042,667,276,110,032/126,925,306.40
  6. Step 6: Final answer
    x = 173,666,449.20

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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.