Home / 80,178,611.32-110,646,483.60-43,509,182.32

Finding the Fourth Proportional to 80,178,611.32, 110,646,483.60 and 43,509,182.32

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Solution

The fourth proportional to 80,178,611.32, 110,646,483.60 and 43,509,182.32 is: 60,042,671.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,178,611.32 : 110,646,483.60 = 43,509,182.32 : x
  2. Step 2: Convert to fraction form
    80,178,611.32/110,646,483.60 = 43,509,182.32/x
  3. Step 3: Cross multiply
    80,178,611.32x = 110,646,483.60 × 43,509,182.32
  4. Step 4: Simplify right side
    80,178,611.32x = 4,814,138,028,019,290
  5. Step 5: Solve for x
    x = 4,814,138,028,019,290/80,178,611.32
  6. Step 6: Final answer
    x = 60,042,671.59

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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.