Home / 80,803,912.64-121,222,891.56-26,212,235.36

Finding the Fourth Proportional to 80,803,912.64, 121,222,891.56 and 26,212,235.36

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Solution

The fourth proportional to 80,803,912.64, 121,222,891.56 and 26,212,235.36 is: 39,323,875.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,803,912.64 : 121,222,891.56 = 26,212,235.36 : x
  2. Step 2: Convert to fraction form
    80,803,912.64/121,222,891.56 = 26,212,235.36/x
  3. Step 3: Cross multiply
    80,803,912.64x = 121,222,891.56 × 26,212,235.36
  4. Step 4: Simplify right side
    80,803,912.64x = 3,177,522,964,590,477.50
  5. Step 5: Solve for x
    x = 3,177,522,964,590,477.50/80,803,912.64
  6. Step 6: Final answer
    x = 39,323,875.05

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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.