Home / 291,581,155.26-437,682,972.65-125,666,540.78

Finding the Fourth Proportional to 291,581,155.26, 437,682,972.65 and 125,666,540.78

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Solution

The fourth proportional to 291,581,155.26, 437,682,972.65 and 125,666,540.78 is: 188,633,950.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,581,155.26 : 437,682,972.65 = 125,666,540.78 : x
  2. Step 2: Convert to fraction form
    291,581,155.26/437,682,972.65 = 125,666,540.78/x
  3. Step 3: Cross multiply
    291,581,155.26x = 437,682,972.65 × 125,666,540.78
  4. Step 4: Simplify right side
    291,581,155.26x = 55,002,105,128,416,104
  5. Step 5: Solve for x
    x = 55,002,105,128,416,104/291,581,155.26
  6. Step 6: Final answer
    x = 188,633,950.23

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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.