Home / 74,142,799.20-111,214,198.80-61,545,679.20

Finding the Fourth Proportional to 74,142,799.20, 111,214,198.80 and 61,545,679.20

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Solution

The fourth proportional to 74,142,799.20, 111,214,198.80 and 61,545,679.20 is: 92,318,518.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,142,799.20 : 111,214,198.80 = 61,545,679.20 : x
  2. Step 2: Convert to fraction form
    74,142,799.20/111,214,198.80 = 61,545,679.20/x
  3. Step 3: Cross multiply
    74,142,799.20x = 111,214,198.80 × 61,545,679.20
  4. Step 4: Simplify right side
    74,142,799.20x = 6,844,753,401,829,825
  5. Step 5: Solve for x
    x = 6,844,753,401,829,825/74,142,799.20
  6. Step 6: Final answer
    x = 92,318,518.80

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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.