Home / 101,052,001.70-151,578,002.55-55,135,499.30

Finding the Fourth Proportional to 101,052,001.70, 151,578,002.55 and 55,135,499.30

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Solution

The fourth proportional to 101,052,001.70, 151,578,002.55 and 55,135,499.30 is: 82,703,248.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,052,001.70 : 151,578,002.55 = 55,135,499.30 : x
  2. Step 2: Convert to fraction form
    101,052,001.70/151,578,002.55 = 55,135,499.30/x
  3. Step 3: Cross multiply
    101,052,001.70x = 151,578,002.55 × 55,135,499.30
  4. Step 4: Simplify right side
    101,052,001.70x = 8,357,328,853,490,923
  5. Step 5: Solve for x
    x = 8,357,328,853,490,923/101,052,001.70
  6. Step 6: Final answer
    x = 82,703,248.95

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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.