Home / 267,812,849.43-369,636,104.21-154,787,142.15

Finding the Fourth Proportional to 267,812,849.43, 369,636,104.21 and 154,787,142.15

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Solution

The fourth proportional to 267,812,849.43, 369,636,104.21 and 154,787,142.15 is: 213,637,681.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,812,849.43 : 369,636,104.21 = 154,787,142.15 : x
  2. Step 2: Convert to fraction form
    267,812,849.43/369,636,104.21 = 154,787,142.15/x
  3. Step 3: Cross multiply
    267,812,849.43x = 369,636,104.21 × 154,787,142.15
  4. Step 4: Simplify right side
    267,812,849.43x = 57,214,916,205,351,544
  5. Step 5: Solve for x
    x = 57,214,916,205,351,544/267,812,849.43
  6. Step 6: Final answer
    x = 213,637,681.41

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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.