Home / 80,876,636.30-121,314,954.45-26,289,116.30

Finding the Fourth Proportional to 80,876,636.30, 121,314,954.45 and 26,289,116.30

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Solution

The fourth proportional to 80,876,636.30, 121,314,954.45 and 26,289,116.30 is: 39,433,674.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,876,636.30 : 121,314,954.45 = 26,289,116.30 : x
  2. Step 2: Convert to fraction form
    80,876,636.30/121,314,954.45 = 26,289,116.30/x
  3. Step 3: Cross multiply
    80,876,636.30x = 121,314,954.45 × 26,289,116.30
  4. Step 4: Simplify right side
    80,876,636.30x = 3,189,262,946,465,252.50
  5. Step 5: Solve for x
    x = 3,189,262,946,465,252.50/80,876,636.30
  6. Step 6: Final answer
    x = 39,433,674.45

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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.