Home / 80,876,859.40-121,315,289.10-23,371,006.60

Finding the Fourth Proportional to 80,876,859.40, 121,315,289.10 and 23,371,006.60

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Solution

The fourth proportional to 80,876,859.40, 121,315,289.10 and 23,371,006.60 is: 35,056,509.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,876,859.40 : 121,315,289.10 = 23,371,006.60 : x
  2. Step 2: Convert to fraction form
    80,876,859.40/121,315,289.10 = 23,371,006.60/x
  3. Step 3: Cross multiply
    80,876,859.40x = 121,315,289.10 × 23,371,006.60
  4. Step 4: Simplify right side
    80,876,859.40x = 2,835,260,422,237,008
  5. Step 5: Solve for x
    x = 2,835,260,422,237,008/80,876,859.40
  6. Step 6: Final answer
    x = 35,056,509.90

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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.