Home / 68,163,041.70-102,244,562.55-39,394,368.90

Finding the Fourth Proportional to 68,163,041.70, 102,244,562.55 and 39,394,368.90

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Solution

The fourth proportional to 68,163,041.70, 102,244,562.55 and 39,394,368.90 is: 59,091,553.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,163,041.70 : 102,244,562.55 = 39,394,368.90 : x
  2. Step 2: Convert to fraction form
    68,163,041.70/102,244,562.55 = 39,394,368.90/x
  3. Step 3: Cross multiply
    68,163,041.70x = 102,244,562.55 × 39,394,368.90
  4. Step 4: Simplify right side
    68,163,041.70x = 4,027,860,015,113,824.50
  5. Step 5: Solve for x
    x = 4,027,860,015,113,824.50/68,163,041.70
  6. Step 6: Final answer
    x = 59,091,553.35

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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.