Home / 220,656,645.46-304,506,156.46-127,890,961.84

Finding the Fourth Proportional to 220,656,645.46, 304,506,156.46 and 127,890,961.84

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Solution

The fourth proportional to 220,656,645.46, 304,506,156.46 and 127,890,961.84 is: 176,489,519.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,656,645.46 : 304,506,156.46 = 127,890,961.84 : x
  2. Step 2: Convert to fraction form
    220,656,645.46/304,506,156.46 = 127,890,961.84/x
  3. Step 3: Cross multiply
    220,656,645.46x = 304,506,156.46 × 127,890,961.84
  4. Step 4: Simplify right side
    220,656,645.46x = 38,943,585,235,870,928
  5. Step 5: Solve for x
    x = 38,943,585,235,870,928/220,656,645.46
  6. Step 6: Final answer
    x = 176,489,519.07

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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.