Home / 77,206,290.12-106,568,565.03-49,704,196.50

Finding the Fourth Proportional to 77,206,290.12, 106,568,565.03 and 49,704,196.50

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Solution

The fourth proportional to 77,206,290.12, 106,568,565.03 and 49,704,196.50 is: 68,607,167.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,206,290.12 : 106,568,565.03 = 49,704,196.50 : x
  2. Step 2: Convert to fraction form
    77,206,290.12/106,568,565.03 = 49,704,196.50/x
  3. Step 3: Cross multiply
    77,206,290.12x = 106,568,565.03 × 49,704,196.50
  4. Step 4: Simplify right side
    77,206,290.12x = 5,296,904,896,974,148
  5. Step 5: Solve for x
    x = 5,296,904,896,974,148/77,206,290.12
  6. Step 6: Final answer
    x = 68,607,167.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.