Home / 84,546,556.28-126,604,544.70-55,705,253.12

Finding the Fourth Proportional to 84,546,556.28, 126,604,544.70 and 55,705,253.12

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Solution

The fourth proportional to 84,546,556.28, 126,604,544.70 and 55,705,253.12 is: 83,416,031.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,546,556.28 : 126,604,544.70 = 55,705,253.12 : x
  2. Step 2: Convert to fraction form
    84,546,556.28/126,604,544.70 = 55,705,253.12/x
  3. Step 3: Cross multiply
    84,546,556.28x = 126,604,544.70 × 55,705,253.12
  4. Step 4: Simplify right side
    84,546,556.28x = 7,052,538,208,655,854
  5. Step 5: Solve for x
    x = 7,052,538,208,655,854/84,546,556.28
  6. Step 6: Final answer
    x = 83,416,031.58

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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.