Home / 91,294,942.44-136,942,405.34-40,176,961.24

Finding the Fourth Proportional to 91,294,942.44, 136,942,405.34 and 40,176,961.24

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Solution

The fourth proportional to 91,294,942.44, 136,942,405.34 and 40,176,961.24 is: 60,265,438.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,294,942.44 : 136,942,405.34 = 40,176,961.24 : x
  2. Step 2: Convert to fraction form
    91,294,942.44/136,942,405.34 = 40,176,961.24/x
  3. Step 3: Cross multiply
    91,294,942.44x = 136,942,405.34 × 40,176,961.24
  4. Step 4: Simplify right side
    91,294,942.44x = 5,501,929,711,457,549
  5. Step 5: Solve for x
    x = 5,501,929,711,457,549/91,294,942.44
  6. Step 6: Final answer
    x = 60,265,438.20

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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.