Home / 137,239,572.15-206,018,790.53-82,713,725.55

Finding the Fourth Proportional to 137,239,572.15, 206,018,790.53 and 82,713,725.55

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Solution

The fourth proportional to 137,239,572.15, 206,018,790.53 and 82,713,725.55 is: 124,166,677.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,239,572.15 : 206,018,790.53 = 82,713,725.55 : x
  2. Step 2: Convert to fraction form
    137,239,572.15/206,018,790.53 = 82,713,725.55/x
  3. Step 3: Cross multiply
    137,239,572.15x = 206,018,790.53 × 82,713,725.55
  4. Step 4: Simplify right side
    137,239,572.15x = 17,040,581,697,627,790
  5. Step 5: Solve for x
    x = 17,040,581,697,627,790/137,239,572.15
  6. Step 6: Final answer
    x = 124,166,677.52

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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.