Home / 99,002,314.60-148,727,420.70-68,769,226.60

Finding the Fourth Proportional to 99,002,314.60, 148,727,420.70 and 68,769,226.60

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Solution

The fourth proportional to 99,002,314.60, 148,727,420.70 and 68,769,226.60 is: 103,309,399.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,002,314.60 : 148,727,420.70 = 68,769,226.60 : x
  2. Step 2: Convert to fraction form
    99,002,314.60/148,727,420.70 = 68,769,226.60/x
  3. Step 3: Cross multiply
    99,002,314.60x = 148,727,420.70 × 68,769,226.60
  4. Step 4: Simplify right side
    99,002,314.60x = 10,227,869,695,751,828
  5. Step 5: Solve for x
    x = 10,227,869,695,751,828/99,002,314.60
  6. Step 6: Final answer
    x = 103,309,399.76

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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.