Home / 225,778,821.80-338,668,232.70-80,376,564.20

Finding the Fourth Proportional to 225,778,821.80, 338,668,232.70 and 80,376,564.20

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Solution

The fourth proportional to 225,778,821.80, 338,668,232.70 and 80,376,564.20 is: 120,564,846.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,778,821.80 : 338,668,232.70 = 80,376,564.20 : x
  2. Step 2: Convert to fraction form
    225,778,821.80/338,668,232.70 = 80,376,564.20/x
  3. Step 3: Cross multiply
    225,778,821.80x = 338,668,232.70 × 80,376,564.20
  4. Step 4: Simplify right side
    225,778,821.80x = 27,220,988,948,112,088
  5. Step 5: Solve for x
    x = 27,220,988,948,112,088/225,778,821.80
  6. Step 6: Final answer
    x = 120,564,846.30

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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.