Home / 55,611,193.20-83,416,789.80-50,320,402.80

Finding the Fourth Proportional to 55,611,193.20, 83,416,789.80 and 50,320,402.80

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Solution

The fourth proportional to 55,611,193.20, 83,416,789.80 and 50,320,402.80 is: 75,480,604.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,611,193.20 : 83,416,789.80 = 50,320,402.80 : x
  2. Step 2: Convert to fraction form
    55,611,193.20/83,416,789.80 = 50,320,402.80/x
  3. Step 3: Cross multiply
    55,611,193.20x = 83,416,789.80 × 50,320,402.80
  4. Step 4: Simplify right side
    55,611,193.20x = 4,197,566,463,018,931
  5. Step 5: Solve for x
    x = 4,197,566,463,018,931/55,611,193.20
  6. Step 6: Final answer
    x = 75,480,604.20

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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.