Home / 313,553,841.24-432,715,429.89-172,435,790.70

Finding the Fourth Proportional to 313,553,841.24, 432,715,429.89 and 172,435,790.70

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Solution

The fourth proportional to 313,553,841.24, 432,715,429.89 and 172,435,790.70 is: 237,967,511.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,553,841.24 : 432,715,429.89 = 172,435,790.70 : x
  2. Step 2: Convert to fraction form
    313,553,841.24/432,715,429.89 = 172,435,790.70/x
  3. Step 3: Cross multiply
    313,553,841.24x = 432,715,429.89 × 172,435,790.70
  4. Step 4: Simplify right side
    313,553,841.24x = 74,615,627,301,172,560
  5. Step 5: Solve for x
    x = 74,615,627,301,172,560/313,553,841.24
  6. Step 6: Final answer
    x = 237,967,511.44

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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.