Home / 220,786,800.50-304,687,799.67-121,671,104.15

Finding the Fourth Proportional to 220,786,800.50, 304,687,799.67 and 121,671,104.15

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Solution

The fourth proportional to 220,786,800.50, 304,687,799.67 and 121,671,104.15 is: 167,907,234.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,786,800.50 : 304,687,799.67 = 121,671,104.15 : x
  2. Step 2: Convert to fraction form
    220,786,800.50/304,687,799.67 = 121,671,104.15/x
  3. Step 3: Cross multiply
    220,786,800.50x = 304,687,799.67 × 121,671,104.15
  4. Step 4: Simplify right side
    220,786,800.50x = 37,071,701,007,417,096
  5. Step 5: Solve for x
    x = 37,071,701,007,417,096/220,786,800.50
  6. Step 6: Final answer
    x = 167,907,234.14

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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.