Home / 82,789,766.70-124,184,650.05-50,425,009.80

Finding the Fourth Proportional to 82,789,766.70, 124,184,650.05 and 50,425,009.80

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Solution

The fourth proportional to 82,789,766.70, 124,184,650.05 and 50,425,009.80 is: 75,637,514.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,789,766.70 : 124,184,650.05 = 50,425,009.80 : x
  2. Step 2: Convert to fraction form
    82,789,766.70/124,184,650.05 = 50,425,009.80/x
  3. Step 3: Cross multiply
    82,789,766.70x = 124,184,650.05 × 50,425,009.80
  4. Step 4: Simplify right side
    82,789,766.70x = 6,262,012,195,780,820
  5. Step 5: Solve for x
    x = 6,262,012,195,780,820/82,789,766.70
  6. Step 6: Final answer
    x = 75,637,514.70

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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.