Home / 124,477,012.20-186,715,518.30-88,126,447.80

Finding the Fourth Proportional to 124,477,012.20, 186,715,518.30 and 88,126,447.80

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Solution

The fourth proportional to 124,477,012.20, 186,715,518.30 and 88,126,447.80 is: 132,189,671.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,477,012.20 : 186,715,518.30 = 88,126,447.80 : x
  2. Step 2: Convert to fraction form
    124,477,012.20/186,715,518.30 = 88,126,447.80/x
  3. Step 3: Cross multiply
    124,477,012.20x = 186,715,518.30 × 88,126,447.80
  4. Step 4: Simplify right side
    124,477,012.20x = 16,454,575,376,914,896
  5. Step 5: Solve for x
    x = 16,454,575,376,914,896/124,477,012.20
  6. Step 6: Final answer
    x = 132,189,671.70

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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.