Home / 137,800,342.40-206,693,641.56-51,532,406.96

Finding the Fourth Proportional to 137,800,342.40, 206,693,641.56 and 51,532,406.96

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Solution

The fourth proportional to 137,800,342.40, 206,693,641.56 and 51,532,406.96 is: 77,296,040.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,800,342.40 : 206,693,641.56 = 51,532,406.96 : x
  2. Step 2: Convert to fraction form
    137,800,342.40/206,693,641.56 = 51,532,406.96/x
  3. Step 3: Cross multiply
    137,800,342.40x = 206,693,641.56 × 51,532,406.96
  4. Step 4: Simplify right side
    137,800,342.40x = 10,651,420,852,914,290
  5. Step 5: Solve for x
    x = 10,651,420,852,914,290/137,800,342.40
  6. Step 6: Final answer
    x = 77,296,040.54

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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.