Home / 228,191,942.40-342,202,124.88-82,589,530.56

Finding the Fourth Proportional to 228,191,942.40, 342,202,124.88 and 82,589,530.56

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Solution

The fourth proportional to 228,191,942.40, 342,202,124.88 and 82,589,530.56 is: 123,853,246.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,191,942.40 : 342,202,124.88 = 82,589,530.56 : x
  2. Step 2: Convert to fraction form
    228,191,942.40/342,202,124.88 = 82,589,530.56/x
  3. Step 3: Cross multiply
    228,191,942.40x = 342,202,124.88 × 82,589,530.56
  4. Step 4: Simplify right side
    228,191,942.40x = 28,262,312,850,473,696
  5. Step 5: Solve for x
    x = 28,262,312,850,473,696/228,191,942.40
  6. Step 6: Final answer
    x = 123,853,246.32

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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.