Home / 154,426,731.91-231,639,912-39,411,286.54

Finding the Fourth Proportional to 154,426,731.91, 231,639,912 and 39,411,286.54

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Solution

The fourth proportional to 154,426,731.91, 231,639,912 and 39,411,286.54 is: 59,116,882.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,426,731.91 : 231,639,912 = 39,411,286.54 : x
  2. Step 2: Convert to fraction form
    154,426,731.91/231,639,912 = 39,411,286.54/x
  3. Step 3: Cross multiply
    154,426,731.91x = 231,639,912 × 39,411,286.54
  4. Step 4: Simplify right side
    154,426,731.91x = 9,129,226,945,353,286
  5. Step 5: Solve for x
    x = 9,129,226,945,353,286/154,426,731.91
  6. Step 6: Final answer
    x = 59,116,882.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.