Home / 313,539,002.38-432,711,393.52-172,435,087.84

Finding the Fourth Proportional to 313,539,002.38, 432,711,393.52 and 172,435,087.84

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Solution

The fourth proportional to 313,539,002.38, 432,711,393.52 and 172,435,087.84 is: 237,975,583.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,539,002.38 : 432,711,393.52 = 172,435,087.84 : x
  2. Step 2: Convert to fraction form
    313,539,002.38/432,711,393.52 = 172,435,087.84/x
  3. Step 3: Cross multiply
    313,539,002.38x = 432,711,393.52 × 172,435,087.84
  4. Step 4: Simplify right side
    313,539,002.38x = 74,614,627,150,990,000
  5. Step 5: Solve for x
    x = 74,614,627,150,990,000/313,539,002.38
  6. Step 6: Final answer
    x = 237,975,583.85

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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.