Home / 149,237,681.43-205,945,906.92-83,160,964.70

Finding the Fourth Proportional to 149,237,681.43, 205,945,906.92 and 83,160,964.70

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Solution

The fourth proportional to 149,237,681.43, 205,945,906.92 and 83,160,964.70 is: 114,760,964.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,237,681.43 : 205,945,906.92 = 83,160,964.70 : x
  2. Step 2: Convert to fraction form
    149,237,681.43/205,945,906.92 = 83,160,964.70/x
  3. Step 3: Cross multiply
    149,237,681.43x = 205,945,906.92 × 83,160,964.70
  4. Step 4: Simplify right side
    149,237,681.43x = 17,126,660,294,453,874
  5. Step 5: Solve for x
    x = 17,126,660,294,453,874/149,237,681.43
  6. Step 6: Final answer
    x = 114,760,964.73

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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.