Home / 72,931,103,136.30-109,434,052,453.66-35,189,865,329.92

Finding the Fourth Proportional to 72,931,103,136.30, 109,434,052,453.66 and 35,189,865,329.92

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Solution

The fourth proportional to 72,931,103,136.30, 109,434,052,453.66 and 35,189,865,329.92 is: 52,802,842,720.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,931,103,136.30 : 109,434,052,453.66 = 35,189,865,329.92 : x
  2. Step 2: Convert to fraction form
    72,931,103,136.30/109,434,052,453.66 = 35,189,865,329.92/x
  3. Step 3: Cross multiply
    72,931,103,136.30x = 109,434,052,453.66 × 35,189,865,329.92
  4. Step 4: Simplify right side
    72,931,103,136.30x = 3,850,969,568,351,696,715,776
  5. Step 5: Solve for x
    x = 3,850,969,568,351,696,715,776/72,931,103,136.30
  6. Step 6: Final answer
    x = 52,802,842,720.68

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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.