Home / 111,535,806.40-167,303,709.60-39,734,564.80

Finding the Fourth Proportional to 111,535,806.40, 167,303,709.60 and 39,734,564.80

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Solution

The fourth proportional to 111,535,806.40, 167,303,709.60 and 39,734,564.80 is: 59,601,847.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,535,806.40 : 167,303,709.60 = 39,734,564.80 : x
  2. Step 2: Convert to fraction form
    111,535,806.40/167,303,709.60 = 39,734,564.80/x
  3. Step 3: Cross multiply
    111,535,806.40x = 167,303,709.60 × 39,734,564.80
  4. Step 4: Simplify right side
    111,535,806.40x = 6,647,740,090,381,581
  5. Step 5: Solve for x
    x = 6,647,740,090,381,581/111,535,806.40
  6. Step 6: Final answer
    x = 59,601,847.20

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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.