Home / 80,803,640.40-121,222,483.20-26,211,963.24

Finding the Fourth Proportional to 80,803,640.40, 121,222,483.20 and 26,211,963.24

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Solution

The fourth proportional to 80,803,640.40, 121,222,483.20 and 26,211,963.24 is: 39,323,466.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,803,640.40 : 121,222,483.20 = 26,211,963.24 : x
  2. Step 2: Convert to fraction form
    80,803,640.40/121,222,483.20 = 26,211,963.24/x
  3. Step 3: Cross multiply
    80,803,640.40x = 121,222,483.20 × 26,211,963.24
  4. Step 4: Simplify right side
    80,803,640.40x = 3,177,479,273,499,917.50
  5. Step 5: Solve for x
    x = 3,177,479,273,499,917.50/80,803,640.40
  6. Step 6: Final answer
    x = 39,323,466.84

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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.