Home / 65,656,611.36-90,603,300.60-36,286,426.08

Finding the Fourth Proportional to 65,656,611.36, 90,603,300.60 and 36,286,426.08

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Solution

The fourth proportional to 65,656,611.36, 90,603,300.60 and 36,286,426.08 is: 50,073,707.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,656,611.36 : 90,603,300.60 = 36,286,426.08 : x
  2. Step 2: Convert to fraction form
    65,656,611.36/90,603,300.60 = 36,286,426.08/x
  3. Step 3: Cross multiply
    65,656,611.36x = 90,603,300.60 × 36,286,426.08
  4. Step 4: Simplify right side
    65,656,611.36x = 3,287,669,969,825,919.50
  5. Step 5: Solve for x
    x = 3,287,669,969,825,919.50/65,656,611.36
  6. Step 6: Final answer
    x = 50,073,707.76

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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.