Home / 313,553,838.24-432,715,425.75-172,435,787.69

Finding the Fourth Proportional to 313,553,838.24, 432,715,425.75 and 172,435,787.69

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Solution

The fourth proportional to 313,553,838.24, 432,715,425.75 and 172,435,787.69 is: 237,967,507.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,553,838.24 : 432,715,425.75 = 172,435,787.69 : x
  2. Step 2: Convert to fraction form
    313,553,838.24/432,715,425.75 = 172,435,787.69/x
  3. Step 3: Cross multiply
    313,553,838.24x = 432,715,425.75 × 172,435,787.69
  4. Step 4: Simplify right side
    313,553,838.24x = 74,615,625,282,651,376
  5. Step 5: Solve for x
    x = 74,615,625,282,651,376/313,553,838.24
  6. Step 6: Final answer
    x = 237,967,507.28

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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.