Home / 68,283,602.80-102,425,404.20-61,109,149.30

Finding the Fourth Proportional to 68,283,602.80, 102,425,404.20 and 61,109,149.30

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Solution

The fourth proportional to 68,283,602.80, 102,425,404.20 and 61,109,149.30 is: 91,663,723.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,283,602.80 : 102,425,404.20 = 61,109,149.30 : x
  2. Step 2: Convert to fraction form
    68,283,602.80/102,425,404.20 = 61,109,149.30/x
  3. Step 3: Cross multiply
    68,283,602.80x = 102,425,404.20 × 61,109,149.30
  4. Step 4: Simplify right side
    68,283,602.80x = 6,259,129,317,370,647
  5. Step 5: Solve for x
    x = 6,259,129,317,370,647/68,283,602.80
  6. Step 6: Final answer
    x = 91,663,723.95

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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.