Home / 50,320,012.20-75,480,018.30-45,377,610.90

Finding the Fourth Proportional to 50,320,012.20, 75,480,018.30 and 45,377,610.90

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Solution

The fourth proportional to 50,320,012.20, 75,480,018.30 and 45,377,610.90 is: 68,066,416.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,320,012.20 : 75,480,018.30 = 45,377,610.90 : x
  2. Step 2: Convert to fraction form
    50,320,012.20/75,480,018.30 = 45,377,610.90/x
  3. Step 3: Cross multiply
    50,320,012.20x = 75,480,018.30 × 45,377,610.90
  4. Step 4: Simplify right side
    50,320,012.20x = 3,425,102,901,142,279
  5. Step 5: Solve for x
    x = 3,425,102,901,142,279/50,320,012.20
  6. Step 6: Final answer
    x = 68,066,416.35

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1.5x scale

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.