Home / 313,539,006.38-432,711,399.04-172,435,091.84

Finding the Fourth Proportional to 313,539,006.38, 432,711,399.04 and 172,435,091.84

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Solution

The fourth proportional to 313,539,006.38, 432,711,399.04 and 172,435,091.84 is: 237,975,589.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,539,006.38 : 432,711,399.04 = 172,435,091.84 : x
  2. Step 2: Convert to fraction form
    313,539,006.38/432,711,399.04 = 172,435,091.84/x
  3. Step 3: Cross multiply
    313,539,006.38x = 432,711,399.04 × 172,435,091.84
  4. Step 4: Simplify right side
    313,539,006.38x = 74,614,629,833,677,296
  5. Step 5: Solve for x
    x = 74,614,629,833,677,296/313,539,006.38
  6. Step 6: Final answer
    x = 237,975,589.37

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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.