Home / 185,665,923.31-278,508,135.63-70,659,379.03

Finding the Fourth Proportional to 185,665,923.31, 278,508,135.63 and 70,659,379.03

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Solution

The fourth proportional to 185,665,923.31, 278,508,135.63 and 70,659,379.03 is: 105,992,589.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,665,923.31 : 278,508,135.63 = 70,659,379.03 : x
  2. Step 2: Convert to fraction form
    185,665,923.31/278,508,135.63 = 70,659,379.03/x
  3. Step 3: Cross multiply
    185,665,923.31x = 278,508,135.63 × 70,659,379.03
  4. Step 4: Simplify right side
    185,665,923.31x = 19,679,211,918,418,816
  5. Step 5: Solve for x
    x = 19,679,211,918,418,816/185,665,923.31
  6. Step 6: Final answer
    x = 105,992,589.10

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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.