Home / 66,305,862.45-99,458,793.68-34,020,821.70

Finding the Fourth Proportional to 66,305,862.45, 99,458,793.68 and 34,020,821.70

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Solution

The fourth proportional to 66,305,862.45, 99,458,793.68 and 34,020,821.70 is: 51,031,232.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,305,862.45 : 99,458,793.68 = 34,020,821.70 : x
  2. Step 2: Convert to fraction form
    66,305,862.45/99,458,793.68 = 34,020,821.70/x
  3. Step 3: Cross multiply
    66,305,862.45x = 99,458,793.68 × 34,020,821.70
  4. Step 4: Simplify right side
    66,305,862.45x = 3,383,669,886,114,263
  5. Step 5: Solve for x
    x = 3,383,669,886,114,263/66,305,862.45
  6. Step 6: Final answer
    x = 51,031,232.55

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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.