Home / 221,120,747.40-331,681,121.10-195,611,579.40

Finding the Fourth Proportional to 221,120,747.40, 331,681,121.10 and 195,611,579.40

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Solution

The fourth proportional to 221,120,747.40, 331,681,121.10 and 195,611,579.40 is: 293,417,369.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,120,747.40 : 331,681,121.10 = 195,611,579.40 : x
  2. Step 2: Convert to fraction form
    221,120,747.40/331,681,121.10 = 195,611,579.40/x
  3. Step 3: Cross multiply
    221,120,747.40x = 331,681,121.10 × 195,611,579.40
  4. Step 4: Simplify right side
    221,120,747.40x = 64,880,667,955,533,672
  5. Step 5: Solve for x
    x = 64,880,667,955,533,672/221,120,747.40
  6. Step 6: Final answer
    x = 293,417,369.10

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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.