Home / 209,538,153.94-314,355,863.39-71,364,958.11

Finding the Fourth Proportional to 209,538,153.94, 314,355,863.39 and 71,364,958.11

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Solution

The fourth proportional to 209,538,153.94, 314,355,863.39 and 71,364,958.11 is: 107,064,000.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,538,153.94 : 314,355,863.39 = 71,364,958.11 : x
  2. Step 2: Convert to fraction form
    209,538,153.94/314,355,863.39 = 71,364,958.11/x
  3. Step 3: Cross multiply
    209,538,153.94x = 314,355,863.39 × 71,364,958.11
  4. Step 4: Simplify right side
    209,538,153.94x = 22,433,993,022,103,408
  5. Step 5: Solve for x
    x = 22,433,993,022,103,408/209,538,153.94
  6. Step 6: Final answer
    x = 107,064,000.52

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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.