Home / 137,800,340.78-206,693,639.12-51,532,405.34

Finding the Fourth Proportional to 137,800,340.78, 206,693,639.12 and 51,532,405.34

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Solution

The fourth proportional to 137,800,340.78, 206,693,639.12 and 51,532,405.34 is: 77,296,038.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,800,340.78 : 206,693,639.12 = 51,532,405.34 : x
  2. Step 2: Convert to fraction form
    137,800,340.78/206,693,639.12 = 51,532,405.34/x
  3. Step 3: Cross multiply
    137,800,340.78x = 206,693,639.12 × 51,532,405.34
  4. Step 4: Simplify right side
    137,800,340.78x = 10,651,420,391,426,884
  5. Step 5: Solve for x
    x = 10,651,420,391,426,884/137,800,340.78
  6. Step 6: Final answer
    x = 77,296,038.11

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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.