Home / 88,894,709.20-133,342,063.80-79,257,912.40

Finding the Fourth Proportional to 88,894,709.20, 133,342,063.80 and 79,257,912.40

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Solution

The fourth proportional to 88,894,709.20, 133,342,063.80 and 79,257,912.40 is: 118,886,868.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,894,709.20 : 133,342,063.80 = 79,257,912.40 : x
  2. Step 2: Convert to fraction form
    88,894,709.20/133,342,063.80 = 79,257,912.40/x
  3. Step 3: Cross multiply
    88,894,709.20x = 133,342,063.80 × 79,257,912.40
  4. Step 4: Simplify right side
    88,894,709.20x = 10,568,413,611,895,612
  5. Step 5: Solve for x
    x = 10,568,413,611,895,612/88,894,709.20
  6. Step 6: Final answer
    x = 118,886,868.60

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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.