Home / 68,620,402.80-102,929,948.10-16,805,233.35

Finding the Fourth Proportional to 68,620,402.80, 102,929,948.10 and 16,805,233.35

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Solution

The fourth proportional to 68,620,402.80, 102,929,948.10 and 16,805,233.35 is: 25,207,689.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,620,402.80 : 102,929,948.10 = 16,805,233.35 : x
  2. Step 2: Convert to fraction form
    68,620,402.80/102,929,948.10 = 16,805,233.35/x
  3. Step 3: Cross multiply
    68,620,402.80x = 102,929,948.10 × 16,805,233.35
  4. Step 4: Simplify right side
    68,620,402.80x = 1,729,761,796,523,889.25
  5. Step 5: Solve for x
    x = 1,729,761,796,523,889.25/68,620,402.80
  6. Step 6: Final answer
    x = 25,207,689.35

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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.