Home / 69,851,895.40-104,777,843.10-68,718,154.60

Finding the Fourth Proportional to 69,851,895.40, 104,777,843.10 and 68,718,154.60

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Solution

The fourth proportional to 69,851,895.40, 104,777,843.10 and 68,718,154.60 is: 103,077,231.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,851,895.40 : 104,777,843.10 = 68,718,154.60 : x
  2. Step 2: Convert to fraction form
    69,851,895.40/104,777,843.10 = 68,718,154.60/x
  3. Step 3: Cross multiply
    69,851,895.40x = 104,777,843.10 × 68,718,154.60
  4. Step 4: Simplify right side
    69,851,895.40x = 7,200,140,020,800,342
  5. Step 5: Solve for x
    x = 7,200,140,020,800,342/69,851,895.40
  6. Step 6: Final answer
    x = 103,077,231.90

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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.