Home / 81,044,627.03-121,615,357.13-74,450,982.41

Finding the Fourth Proportional to 81,044,627.03, 121,615,357.13 and 74,450,982.41

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Solution

The fourth proportional to 81,044,627.03, 121,615,357.13 and 74,450,982.41 is: 111,720,951.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,044,627.03 : 121,615,357.13 = 74,450,982.41 : x
  2. Step 2: Convert to fraction form
    81,044,627.03/121,615,357.13 = 74,450,982.41/x
  3. Step 3: Cross multiply
    81,044,627.03x = 121,615,357.13 × 74,450,982.41
  4. Step 4: Simplify right side
    81,044,627.03x = 9,054,382,814,226,414
  5. Step 5: Solve for x
    x = 9,054,382,814,226,414/81,044,627.03
  6. Step 6: Final answer
    x = 111,720,951.11

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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.