Home / 221,414,499.40-331,993,257.21-104,828,876.63

Finding the Fourth Proportional to 221,414,499.40, 331,993,257.21 and 104,828,876.63

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Solution

The fourth proportional to 221,414,499.40, 331,993,257.21 and 104,828,876.63 is: 157,182,480.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,414,499.40 : 331,993,257.21 = 104,828,876.63 : x
  2. Step 2: Convert to fraction form
    221,414,499.40/331,993,257.21 = 104,828,876.63/x
  3. Step 3: Cross multiply
    221,414,499.40x = 331,993,257.21 × 104,828,876.63
  4. Step 4: Simplify right side
    221,414,499.40x = 34,802,480,201,665,840
  5. Step 5: Solve for x
    x = 34,802,480,201,665,840/221,414,499.40
  6. Step 6: Final answer
    x = 157,182,480.35

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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.