Home / 137,684,251.80-206,396,537.88-68,531,674.93

Finding the Fourth Proportional to 137,684,251.80, 206,396,537.88 and 68,531,674.93

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Solution

The fourth proportional to 137,684,251.80, 206,396,537.88 and 68,531,674.93 is: 102,732,885.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,684,251.80 : 206,396,537.88 = 68,531,674.93 : x
  2. Step 2: Convert to fraction form
    137,684,251.80/206,396,537.88 = 68,531,674.93/x
  3. Step 3: Cross multiply
    137,684,251.80x = 206,396,537.88 × 68,531,674.93
  4. Step 4: Simplify right side
    137,684,251.80x = 14,144,700,440,669,592
  5. Step 5: Solve for x
    x = 14,144,700,440,669,592/137,684,251.80
  6. Step 6: Final answer
    x = 102,732,885.25

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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.