Home / 74,304,433.20-111,236,200.20-55,219,796.40

Finding the Fourth Proportional to 74,304,433.20, 111,236,200.20 and 55,219,796.40

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Solution

The fourth proportional to 74,304,433.20, 111,236,200.20 and 55,219,796.40 is: 82,665,866.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,304,433.20 : 111,236,200.20 = 55,219,796.40 : x
  2. Step 2: Convert to fraction form
    74,304,433.20/111,236,200.20 = 55,219,796.40/x
  3. Step 3: Cross multiply
    74,304,433.20x = 111,236,200.20 × 55,219,796.40
  4. Step 4: Simplify right side
    74,304,433.20x = 6,142,440,327,353,639
  5. Step 5: Solve for x
    x = 6,142,440,327,353,639/74,304,433.20
  6. Step 6: Final answer
    x = 82,665,866.12

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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.