Home / 300,190,522.94-414,267,151.79-172,960,885.03

Finding the Fourth Proportional to 300,190,522.94, 414,267,151.79 and 172,960,885.03

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Solution

The fourth proportional to 300,190,522.94, 414,267,151.79 and 172,960,885.03 is: 238,688,458.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,190,522.94 : 414,267,151.79 = 172,960,885.03 : x
  2. Step 2: Convert to fraction form
    300,190,522.94/414,267,151.79 = 172,960,885.03/x
  3. Step 3: Cross multiply
    300,190,522.94x = 414,267,151.79 × 172,960,885.03
  4. Step 4: Simplify right side
    300,190,522.94x = 71,652,013,211,852,488
  5. Step 5: Solve for x
    x = 71,652,013,211,852,488/300,190,522.94
  6. Step 6: Final answer
    x = 238,688,458.62

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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.