Home / 138,243,289.41-207,364,868.51-41,196,520.35

Finding the Fourth Proportional to 138,243,289.41, 207,364,868.51 and 41,196,520.35

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Solution

The fourth proportional to 138,243,289.41, 207,364,868.51 and 41,196,520.35 is: 61,794,760.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,243,289.41 : 207,364,868.51 = 41,196,520.35 : x
  2. Step 2: Convert to fraction form
    138,243,289.41/207,364,868.51 = 41,196,520.35/x
  3. Step 3: Cross multiply
    138,243,289.41x = 207,364,868.51 × 41,196,520.35
  4. Step 4: Simplify right side
    138,243,289.41x = 8,542,711,025,241,307
  5. Step 5: Solve for x
    x = 8,542,711,025,241,307/138,243,289.41
  6. Step 6: Final answer
    x = 61,794,760.97

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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.