Home / 82,398,277.96-124,090,668.24-75,043,342.11

Finding the Fourth Proportional to 82,398,277.96, 124,090,668.24 and 75,043,342.11

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Solution

The fourth proportional to 82,398,277.96, 124,090,668.24 and 75,043,342.11 is: 113,014,236.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,398,277.96 : 124,090,668.24 = 75,043,342.11 : x
  2. Step 2: Convert to fraction form
    82,398,277.96/124,090,668.24 = 75,043,342.11/x
  3. Step 3: Cross multiply
    82,398,277.96x = 124,090,668.24 × 75,043,342.11
  4. Step 4: Simplify right side
    82,398,277.96x = 9,312,178,469,644,476
  5. Step 5: Solve for x
    x = 9,312,178,469,644,476/82,398,277.96
  6. Step 6: Final answer
    x = 113,014,236.47

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.