Home / 81,055,654.40-111,853,443.84-44,385,593.60

Finding the Fourth Proportional to 81,055,654.40, 111,853,443.84 and 44,385,593.60

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Solution

The fourth proportional to 81,055,654.40, 111,853,443.84 and 44,385,593.60 is: 61,250,279.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,055,654.40 : 111,853,443.84 = 44,385,593.60 : x
  2. Step 2: Convert to fraction form
    81,055,654.40/111,853,443.84 = 44,385,593.60/x
  3. Step 3: Cross multiply
    81,055,654.40x = 111,853,443.84 × 44,385,593.60
  4. Step 4: Simplify right side
    81,055,654.40x = 4,964,681,501,042,664
  5. Step 5: Solve for x
    x = 4,964,681,501,042,664/81,055,654.40
  6. Step 6: Final answer
    x = 61,250,279.67

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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.