Home / 220,816,490.33-304,721,507.90-120,348,099.83

Finding the Fourth Proportional to 220,816,490.33, 304,721,507.90 and 120,348,099.83

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Solution

The fourth proportional to 220,816,490.33, 304,721,507.90 and 120,348,099.83 is: 166,077,517.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,816,490.33 : 304,721,507.90 = 120,348,099.83 : x
  2. Step 2: Convert to fraction form
    220,816,490.33/304,721,507.90 = 120,348,099.83/x
  3. Step 3: Cross multiply
    220,816,490.33x = 304,721,507.90 × 120,348,099.83
  4. Step 4: Simplify right side
    220,816,490.33x = 36,672,654,450,971,984
  5. Step 5: Solve for x
    x = 36,672,654,450,971,984/220,816,490.33
  6. Step 6: Final answer
    x = 166,077,517.11

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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.