Home / 129,470,279.80-194,205,419.70-52,751,486.20

Finding the Fourth Proportional to 129,470,279.80, 194,205,419.70 and 52,751,486.20

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Solution

The fourth proportional to 129,470,279.80, 194,205,419.70 and 52,751,486.20 is: 79,127,229.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,470,279.80 : 194,205,419.70 = 52,751,486.20 : x
  2. Step 2: Convert to fraction form
    129,470,279.80/194,205,419.70 = 52,751,486.20/x
  3. Step 3: Cross multiply
    129,470,279.80x = 194,205,419.70 × 52,751,486.20
  4. Step 4: Simplify right side
    129,470,279.80x = 10,244,624,517,269,758
  5. Step 5: Solve for x
    x = 10,244,624,517,269,758/129,470,279.80
  6. Step 6: Final answer
    x = 79,127,229.30

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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.