Home / 107,661,013.40-161,491,520.10-101,992,309.40

Finding the Fourth Proportional to 107,661,013.40, 161,491,520.10 and 101,992,309.40

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Solution

The fourth proportional to 107,661,013.40, 161,491,520.10 and 101,992,309.40 is: 152,988,464.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,661,013.40 : 161,491,520.10 = 101,992,309.40 : x
  2. Step 2: Convert to fraction form
    107,661,013.40/161,491,520.10 = 101,992,309.40/x
  3. Step 3: Cross multiply
    107,661,013.40x = 161,491,520.10 × 101,992,309.40
  4. Step 4: Simplify right side
    107,661,013.40x = 16,470,893,083,515,520
  5. Step 5: Solve for x
    x = 16,470,893,083,515,520/107,661,013.40
  6. Step 6: Final answer
    x = 152,988,464.10

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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.