Home / 84,016,005.40-125,974,241.70-43,705,221.40

Finding the Fourth Proportional to 84,016,005.40, 125,974,241.70 and 43,705,221.40

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Solution

The fourth proportional to 84,016,005.40, 125,974,241.70 and 43,705,221.40 is: 65,531,943.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,016,005.40 : 125,974,241.70 = 43,705,221.40 : x
  2. Step 2: Convert to fraction form
    84,016,005.40/125,974,241.70 = 43,705,221.40/x
  3. Step 3: Cross multiply
    84,016,005.40x = 125,974,241.70 × 43,705,221.40
  4. Step 4: Simplify right side
    84,016,005.40x = 5,505,732,124,195,612
  5. Step 5: Solve for x
    x = 5,505,732,124,195,612/84,016,005.40
  6. Step 6: Final answer
    x = 65,531,943.56

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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.