Home / 80,307,912.32-110,825,528.64-43,638,680.96

Finding the Fourth Proportional to 80,307,912.32, 110,825,528.64 and 43,638,680.96

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Solution

The fourth proportional to 80,307,912.32, 110,825,528.64 and 43,638,680.96 is: 60,221,711.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,307,912.32 : 110,825,528.64 = 43,638,680.96 : x
  2. Step 2: Convert to fraction form
    80,307,912.32/110,825,528.64 = 43,638,680.96/x
  3. Step 3: Cross multiply
    80,307,912.32x = 110,825,528.64 × 43,638,680.96
  4. Step 4: Simplify right side
    80,307,912.32x = 4,836,279,886,544,303
  5. Step 5: Solve for x
    x = 4,836,279,886,544,303/80,307,912.32
  6. Step 6: Final answer
    x = 60,221,711.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.