Home / 126,180,306.11-174,129,063.41-69,665,161.32

Finding the Fourth Proportional to 126,180,306.11, 174,129,063.41 and 69,665,161.32

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Solution

The fourth proportional to 126,180,306.11, 174,129,063.41 and 69,665,161.32 is: 96,138,055.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,180,306.11 : 174,129,063.41 = 69,665,161.32 : x
  2. Step 2: Convert to fraction form
    126,180,306.11/174,129,063.41 = 69,665,161.32/x
  3. Step 3: Cross multiply
    126,180,306.11x = 174,129,063.41 × 69,665,161.32
  4. Step 4: Simplify right side
    126,180,306.11x = 12,130,729,293,132,320
  5. Step 5: Solve for x
    x = 12,130,729,293,132,320/126,180,306.11
  6. Step 6: Final answer
    x = 96,138,055.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.