Home / 88,894,707.20-133,342,060.80-79,257,910.40

Finding the Fourth Proportional to 88,894,707.20, 133,342,060.80 and 79,257,910.40

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Solution

The fourth proportional to 88,894,707.20, 133,342,060.80 and 79,257,910.40 is: 118,886,865.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,894,707.20 : 133,342,060.80 = 79,257,910.40 : x
  2. Step 2: Convert to fraction form
    88,894,707.20/133,342,060.80 = 79,257,910.40/x
  3. Step 3: Cross multiply
    88,894,707.20x = 133,342,060.80 × 79,257,910.40
  4. Step 4: Simplify right side
    88,894,707.20x = 10,568,413,107,437,752
  5. Step 5: Solve for x
    x = 10,568,413,107,437,752/88,894,707.20
  6. Step 6: Final answer
    x = 118,886,865.60

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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.