Home / 65,310,993.72-90,129,145.20-35,942,326.20

Finding the Fourth Proportional to 65,310,993.72, 90,129,145.20 and 35,942,326.20

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Solution

The fourth proportional to 65,310,993.72, 90,129,145.20 and 35,942,326.20 is: 49,600,395.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,310,993.72 : 90,129,145.20 = 35,942,326.20 : x
  2. Step 2: Convert to fraction form
    65,310,993.72/90,129,145.20 = 35,942,326.20/x
  3. Step 3: Cross multiply
    65,310,993.72x = 90,129,145.20 × 35,942,326.20
  4. Step 4: Simplify right side
    65,310,993.72x = 3,239,451,136,905,564.50
  5. Step 5: Solve for x
    x = 3,239,451,136,905,564.50/65,310,993.72
  6. Step 6: Final answer
    x = 49,600,395.77

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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.