Home / 126,859,331.20-190,288,996.80-88,595,579.20

Finding the Fourth Proportional to 126,859,331.20, 190,288,996.80 and 88,595,579.20

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Solution

The fourth proportional to 126,859,331.20, 190,288,996.80 and 88,595,579.20 is: 132,893,368.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,859,331.20 : 190,288,996.80 = 88,595,579.20 : x
  2. Step 2: Convert to fraction form
    126,859,331.20/190,288,996.80 = 88,595,579.20/x
  3. Step 3: Cross multiply
    126,859,331.20x = 190,288,996.80 × 88,595,579.20
  4. Step 4: Simplify right side
    126,859,331.20x = 16,858,763,886,882,948
  5. Step 5: Solve for x
    x = 16,858,763,886,882,948/126,859,331.20
  6. Step 6: Final answer
    x = 132,893,368.80

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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.