Home / 137,684,252.30-206,396,538.63-68,531,675.43

Finding the Fourth Proportional to 137,684,252.30, 206,396,538.63 and 68,531,675.43

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Solution

The fourth proportional to 137,684,252.30, 206,396,538.63 and 68,531,675.43 is: 102,732,886.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,684,252.30 : 206,396,538.63 = 68,531,675.43 : x
  2. Step 2: Convert to fraction form
    137,684,252.30/206,396,538.63 = 68,531,675.43/x
  3. Step 3: Cross multiply
    137,684,252.30x = 206,396,538.63 × 68,531,675.43
  4. Step 4: Simplify right side
    137,684,252.30x = 14,144,700,595,266,618
  5. Step 5: Solve for x
    x = 14,144,700,595,266,618/137,684,252.30
  6. Step 6: Final answer
    x = 102,732,886.00

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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.