Home / 81,070,909.56-121,581,213.57-29,248,775.46

Finding the Fourth Proportional to 81,070,909.56, 121,581,213.57 and 29,248,775.46

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Solution

The fourth proportional to 81,070,909.56, 121,581,213.57 and 29,248,775.46 is: 43,864,089.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,070,909.56 : 121,581,213.57 = 29,248,775.46 : x
  2. Step 2: Convert to fraction form
    81,070,909.56/121,581,213.57 = 29,248,775.46/x
  3. Step 3: Cross multiply
    81,070,909.56x = 121,581,213.57 × 29,248,775.46
  4. Step 4: Simplify right side
    81,070,909.56x = 3,556,101,615,863,235
  5. Step 5: Solve for x
    x = 3,556,101,615,863,235/81,070,909.56
  6. Step 6: Final answer
    x = 43,864,089.29

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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.