Home / 149,883,766.60-206,776,261.50-100,340,102.48

Finding the Fourth Proportional to 149,883,766.60, 206,776,261.50 and 100,340,102.48

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Solution

The fourth proportional to 149,883,766.60, 206,776,261.50 and 100,340,102.48 is: 138,426,940.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,883,766.60 : 206,776,261.50 = 100,340,102.48 : x
  2. Step 2: Convert to fraction form
    149,883,766.60/206,776,261.50 = 100,340,102.48/x
  3. Step 3: Cross multiply
    149,883,766.60x = 206,776,261.50 × 100,340,102.48
  4. Step 4: Simplify right side
    149,883,766.60x = 20,747,951,269,341,280
  5. Step 5: Solve for x
    x = 20,747,951,269,341,280/149,883,766.60
  6. Step 6: Final answer
    x = 138,426,940.69

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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.