Home / 80,831,646.72-121,255,634.88-26,241,949.44

Finding the Fourth Proportional to 80,831,646.72, 121,255,634.88 and 26,241,949.44

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Solution

The fourth proportional to 80,831,646.72, 121,255,634.88 and 26,241,949.44 is: 39,365,574.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,831,646.72 : 121,255,634.88 = 26,241,949.44 : x
  2. Step 2: Convert to fraction form
    80,831,646.72/121,255,634.88 = 26,241,949.44/x
  3. Step 3: Cross multiply
    80,831,646.72x = 121,255,634.88 × 26,241,949.44
  4. Step 4: Simplify right side
    80,831,646.72x = 3,181,984,239,836,060.50
  5. Step 5: Solve for x
    x = 3,181,984,239,836,060.50/80,831,646.72
  6. Step 6: Final answer
    x = 39,365,574.86

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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.