Home / 73,438,987.60-110,185,600.20-30,311,930.80

Finding the Fourth Proportional to 73,438,987.60, 110,185,600.20 and 30,311,930.80

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Solution

The fourth proportional to 73,438,987.60, 110,185,600.20 and 30,311,930.80 is: 45,479,089.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,438,987.60 : 110,185,600.20 = 30,311,930.80 : x
  2. Step 2: Convert to fraction form
    73,438,987.60/110,185,600.20 = 30,311,930.80/x
  3. Step 3: Cross multiply
    73,438,987.60x = 110,185,600.20 × 30,311,930.80
  4. Step 4: Simplify right side
    73,438,987.60x = 3,339,938,288,418,866.50
  5. Step 5: Solve for x
    x = 3,339,938,288,418,866.50/73,438,987.60
  6. Step 6: Final answer
    x = 45,479,089.48

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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.