Home / 80,509,675.30-120,764,512.95-26,656,987.30

Finding the Fourth Proportional to 80,509,675.30, 120,764,512.95 and 26,656,987.30

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Solution

The fourth proportional to 80,509,675.30, 120,764,512.95 and 26,656,987.30 is: 39,985,480.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,509,675.30 : 120,764,512.95 = 26,656,987.30 : x
  2. Step 2: Convert to fraction form
    80,509,675.30/120,764,512.95 = 26,656,987.30/x
  3. Step 3: Cross multiply
    80,509,675.30x = 120,764,512.95 × 26,656,987.30
  4. Step 4: Simplify right side
    80,509,675.30x = 3,219,218,087,998,835.50
  5. Step 5: Solve for x
    x = 3,219,218,087,998,835.50/80,509,675.30
  6. Step 6: Final answer
    x = 39,985,480.95

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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.