Home / 69,185,136.78-95,470,938.63-39,811,729.32

Finding the Fourth Proportional to 69,185,136.78, 95,470,938.63 and 39,811,729.32

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Solution

The fourth proportional to 69,185,136.78, 95,470,938.63 and 39,811,729.32 is: 54,937,568.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,185,136.78 : 95,470,938.63 = 39,811,729.32 : x
  2. Step 2: Convert to fraction form
    69,185,136.78/95,470,938.63 = 39,811,729.32/x
  3. Step 3: Cross multiply
    69,185,136.78x = 95,470,938.63 × 39,811,729.32
  4. Step 4: Simplify right side
    69,185,136.78x = 3,800,863,166,663,891.50
  5. Step 5: Solve for x
    x = 3,800,863,166,663,891.50/69,185,136.78
  6. Step 6: Final answer
    x = 54,937,568.15

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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.