Home / 108,206,051.54-161,925,937.23-67,284,760.82

Finding the Fourth Proportional to 108,206,051.54, 161,925,937.23 and 67,284,760.82

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Solution

The fourth proportional to 108,206,051.54, 161,925,937.23 and 67,284,760.82 is: 100,688,896.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,206,051.54 : 161,925,937.23 = 67,284,760.82 : x
  2. Step 2: Convert to fraction form
    108,206,051.54/161,925,937.23 = 67,284,760.82/x
  3. Step 3: Cross multiply
    108,206,051.54x = 161,925,937.23 × 67,284,760.82
  4. Step 4: Simplify right side
    108,206,051.54x = 10,895,147,957,074,882
  5. Step 5: Solve for x
    x = 10,895,147,957,074,882/108,206,051.54
  6. Step 6: Final answer
    x = 100,688,896.80

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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.