Home / 248,197,274.78-371,811,579.88-193,353,061.73

Finding the Fourth Proportional to 248,197,274.78, 371,811,579.88 and 193,353,061.73

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Solution

The fourth proportional to 248,197,274.78, 371,811,579.88 and 193,353,061.73 is: 289,652,283.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,197,274.78 : 371,811,579.88 = 193,353,061.73 : x
  2. Step 2: Convert to fraction form
    248,197,274.78/371,811,579.88 = 193,353,061.73/x
  3. Step 3: Cross multiply
    248,197,274.78x = 371,811,579.88 × 193,353,061.73
  4. Step 4: Simplify right side
    248,197,274.78x = 71,890,907,356,466,464
  5. Step 5: Solve for x
    x = 71,890,907,356,466,464/248,197,274.78
  6. Step 6: Final answer
    x = 289,652,283.33

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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.