Home / 103,204,199.78-142,389,727.50-58,542,816.68

Finding the Fourth Proportional to 103,204,199.78, 142,389,727.50 and 58,542,816.68

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Solution

The fourth proportional to 103,204,199.78, 142,389,727.50 and 58,542,816.68 is: 80,770,896.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,204,199.78 : 142,389,727.50 = 58,542,816.68 : x
  2. Step 2: Convert to fraction form
    103,204,199.78/142,389,727.50 = 58,542,816.68/x
  3. Step 3: Cross multiply
    103,204,199.78x = 142,389,727.50 × 58,542,816.68
  4. Step 4: Simplify right side
    103,204,199.78x = 8,335,895,714,147,655
  5. Step 5: Solve for x
    x = 8,335,895,714,147,655/103,204,199.78
  6. Step 6: Final answer
    x = 80,770,896.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.