Home / 137,908,664.46-206,800,744.95-39,517,866.25

Finding the Fourth Proportional to 137,908,664.46, 206,800,744.95 and 39,517,866.25

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Solution

The fourth proportional to 137,908,664.46, 206,800,744.95 and 39,517,866.25 is: 59,258,961.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,908,664.46 : 206,800,744.95 = 39,517,866.25 : x
  2. Step 2: Convert to fraction form
    137,908,664.46/206,800,744.95 = 39,517,866.25/x
  3. Step 3: Cross multiply
    137,908,664.46x = 206,800,744.95 × 39,517,866.25
  4. Step 4: Simplify right side
    137,908,664.46x = 8,172,324,178,817,461
  5. Step 5: Solve for x
    x = 8,172,324,178,817,461/137,908,664.46
  6. Step 6: Final answer
    x = 59,258,961.07

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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.