Home / 221,120,743.40-331,681,115.10-195,611,575.40

Finding the Fourth Proportional to 221,120,743.40, 331,681,115.10 and 195,611,575.40

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Solution

The fourth proportional to 221,120,743.40, 331,681,115.10 and 195,611,575.40 is: 293,417,363.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,120,743.40 : 331,681,115.10 = 195,611,575.40 : x
  2. Step 2: Convert to fraction form
    221,120,743.40/331,681,115.10 = 195,611,575.40/x
  3. Step 3: Cross multiply
    221,120,743.40x = 331,681,115.10 × 195,611,575.40
  4. Step 4: Simplify right side
    221,120,743.40x = 64,880,665,455,139,736
  5. Step 5: Solve for x
    x = 64,880,665,455,139,736/221,120,743.40
  6. Step 6: Final answer
    x = 293,417,363.10

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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.