Home / 221,117,434.65-331,676,262.51-75,552,423.33

Finding the Fourth Proportional to 221,117,434.65, 331,676,262.51 and 75,552,423.33

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Solution

The fourth proportional to 221,117,434.65, 331,676,262.51 and 75,552,423.33 is: 113,328,672.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,117,434.65 : 331,676,262.51 = 75,552,423.33 : x
  2. Step 2: Convert to fraction form
    221,117,434.65/331,676,262.51 = 75,552,423.33/x
  3. Step 3: Cross multiply
    221,117,434.65x = 331,676,262.51 × 75,552,423.33
  4. Step 4: Simplify right side
    221,117,434.65x = 25,058,945,393,667,728
  5. Step 5: Solve for x
    x = 25,058,945,393,667,728/221,117,434.65
  6. Step 6: Final answer
    x = 113,328,672.76

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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.