Home / 238,494,927.45-329,373,916.28-212,496,999.81

Finding the Fourth Proportional to 238,494,927.45, 329,373,916.28 and 212,496,999.81

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Solution

The fourth proportional to 238,494,927.45, 329,373,916.28 and 212,496,999.81 is: 293,469,424.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,494,927.45 : 329,373,916.28 = 212,496,999.81 : x
  2. Step 2: Convert to fraction form
    238,494,927.45/329,373,916.28 = 212,496,999.81/x
  3. Step 3: Cross multiply
    238,494,927.45x = 329,373,916.28 × 212,496,999.81
  4. Step 4: Simplify right side
    238,494,927.45x = 69,990,969,024,107,624
  5. Step 5: Solve for x
    x = 69,990,969,024,107,624/238,494,927.45
  6. Step 6: Final answer
    x = 293,469,424.16

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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.