Home / 43,138,047.93-64,708,400.52-18,864,480.27

Finding the Fourth Proportional to 43,138,047.93, 64,708,400.52 and 18,864,480.27

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Solution

The fourth proportional to 43,138,047.93, 64,708,400.52 and 18,864,480.27 is: 28,297,301.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,138,047.93 : 64,708,400.52 = 18,864,480.27 : x
  2. Step 2: Convert to fraction form
    43,138,047.93/64,708,400.52 = 18,864,480.27/x
  3. Step 3: Cross multiply
    43,138,047.93x = 64,708,400.52 × 18,864,480.27
  4. Step 4: Simplify right side
    43,138,047.93x = 1,220,690,344,912,797.75
  5. Step 5: Solve for x
    x = 1,220,690,344,912,797.75/43,138,047.93
  6. Step 6: Final answer
    x = 28,297,301.42

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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.