Home / 65,416,115.40-90,274,844.55-36,048,498.84

Finding the Fourth Proportional to 65,416,115.40, 90,274,844.55 and 36,048,498.84

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Solution

The fourth proportional to 65,416,115.40, 90,274,844.55 and 36,048,498.84 is: 49,747,261.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,416,115.40 : 90,274,844.55 = 36,048,498.84 : x
  2. Step 2: Convert to fraction form
    65,416,115.40/90,274,844.55 = 36,048,498.84/x
  3. Step 3: Cross multiply
    65,416,115.40x = 90,274,844.55 × 36,048,498.84
  4. Step 4: Simplify right side
    65,416,115.40x = 3,254,272,629,041,855.50
  5. Step 5: Solve for x
    x = 3,254,272,629,041,855.50/65,416,115.40
  6. Step 6: Final answer
    x = 49,747,261.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.