Home / 74,889,766.80-112,334,650.20-67,723,405.20

Finding the Fourth Proportional to 74,889,766.80, 112,334,650.20 and 67,723,405.20

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Solution

The fourth proportional to 74,889,766.80, 112,334,650.20 and 67,723,405.20 is: 101,585,107.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,889,766.80 : 112,334,650.20 = 67,723,405.20 : x
  2. Step 2: Convert to fraction form
    74,889,766.80/112,334,650.20 = 67,723,405.20/x
  3. Step 3: Cross multiply
    74,889,766.80x = 112,334,650.20 × 67,723,405.20
  4. Step 4: Simplify right side
    74,889,766.80x = 7,607,685,033,494,862
  5. Step 5: Solve for x
    x = 7,607,685,033,494,862/74,889,766.80
  6. Step 6: Final answer
    x = 101,585,107.80

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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.