Home / 88,031,575.68-121,484,014.56-55,010,999.04

Finding the Fourth Proportional to 88,031,575.68, 121,484,014.56 and 55,010,999.04

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Solution

The fourth proportional to 88,031,575.68, 121,484,014.56 and 55,010,999.04 is: 75,915,453.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,031,575.68 : 121,484,014.56 = 55,010,999.04 : x
  2. Step 2: Convert to fraction form
    88,031,575.68/121,484,014.56 = 55,010,999.04/x
  3. Step 3: Cross multiply
    88,031,575.68x = 121,484,014.56 × 55,010,999.04
  4. Step 4: Simplify right side
    88,031,575.68x = 6,682,957,008,335,506
  5. Step 5: Solve for x
    x = 6,682,957,008,335,506/88,031,575.68
  6. Step 6: Final answer
    x = 75,915,453.71

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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.