Home / 313,465,922.52-432,583,249.86-172,339,544.22

Finding the Fourth Proportional to 313,465,922.52, 432,583,249.86 and 172,339,544.22

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Solution

The fourth proportional to 313,465,922.52, 432,583,249.86 and 172,339,544.22 is: 237,828,723.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,465,922.52 : 432,583,249.86 = 172,339,544.22 : x
  2. Step 2: Convert to fraction form
    313,465,922.52/432,583,249.86 = 172,339,544.22/x
  3. Step 3: Cross multiply
    313,465,922.52x = 432,583,249.86 × 172,339,544.22
  4. Step 4: Simplify right side
    313,465,922.52x = 74,551,200,118,078,784
  5. Step 5: Solve for x
    x = 74,551,200,118,078,784/313,465,922.52
  6. Step 6: Final answer
    x = 237,828,723.20

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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.