Home / 79,867,970.06-119,815,198.99-28,039,120.52

Finding the Fourth Proportional to 79,867,970.06, 119,815,198.99 and 28,039,120.52

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Solution

The fourth proportional to 79,867,970.06, 119,815,198.99 and 28,039,120.52 is: 42,063,330.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,867,970.06 : 119,815,198.99 = 28,039,120.52 : x
  2. Step 2: Convert to fraction form
    79,867,970.06/119,815,198.99 = 28,039,120.52/x
  3. Step 3: Cross multiply
    79,867,970.06x = 119,815,198.99 × 28,039,120.52
  4. Step 4: Simplify right side
    79,867,970.06x = 3,359,512,803,939,218.50
  5. Step 5: Solve for x
    x = 3,359,512,803,939,218.50/79,867,970.06
  6. Step 6: Final answer
    x = 42,063,330.29

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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.