Home / 215,568,986.70-323,353,480.05-62,220,045.90

Finding the Fourth Proportional to 215,568,986.70, 323,353,480.05 and 62,220,045.90

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Solution

The fourth proportional to 215,568,986.70, 323,353,480.05 and 62,220,045.90 is: 93,330,068.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,568,986.70 : 323,353,480.05 = 62,220,045.90 : x
  2. Step 2: Convert to fraction form
    215,568,986.70/323,353,480.05 = 62,220,045.90/x
  3. Step 3: Cross multiply
    215,568,986.70x = 323,353,480.05 × 62,220,045.90
  4. Step 4: Simplify right side
    215,568,986.70x = 20,119,068,370,635,736
  5. Step 5: Solve for x
    x = 20,119,068,370,635,736/215,568,986.70
  6. Step 6: Final answer
    x = 93,330,068.85

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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.