Home / 113,336,090.80-170,004,136.20-67,986,458.80

Finding the Fourth Proportional to 113,336,090.80, 170,004,136.20 and 67,986,458.80

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Solution

The fourth proportional to 113,336,090.80, 170,004,136.20 and 67,986,458.80 is: 101,979,688.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,336,090.80 : 170,004,136.20 = 67,986,458.80 : x
  2. Step 2: Convert to fraction form
    113,336,090.80/170,004,136.20 = 67,986,458.80/x
  3. Step 3: Cross multiply
    113,336,090.80x = 170,004,136.20 × 67,986,458.80
  4. Step 4: Simplify right side
    113,336,090.80x = 11,557,979,201,590,888
  5. Step 5: Solve for x
    x = 11,557,979,201,590,888/113,336,090.80
  6. Step 6: Final answer
    x = 101,979,688.20

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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.