Home / 84,248,615.80-126,372,923.70-73,834,996.60

Finding the Fourth Proportional to 84,248,615.80, 126,372,923.70 and 73,834,996.60

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Solution

The fourth proportional to 84,248,615.80, 126,372,923.70 and 73,834,996.60 is: 110,752,494.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,248,615.80 : 126,372,923.70 = 73,834,996.60 : x
  2. Step 2: Convert to fraction form
    84,248,615.80/126,372,923.70 = 73,834,996.60/x
  3. Step 3: Cross multiply
    84,248,615.80x = 126,372,923.70 × 73,834,996.60
  4. Step 4: Simplify right side
    84,248,615.80x = 9,330,744,391,721,558
  5. Step 5: Solve for x
    x = 9,330,744,391,721,558/84,248,615.80
  6. Step 6: Final answer
    x = 110,752,494.90

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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.