Home / 102,153,413.15-140,974,700.97-55,746,658.25

Finding the Fourth Proportional to 102,153,413.15, 140,974,700.97 and 55,746,658.25

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Solution

The fourth proportional to 102,153,413.15, 140,974,700.97 and 55,746,658.25 is: 76,932,020.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,153,413.15 : 140,974,700.97 = 55,746,658.25 : x
  2. Step 2: Convert to fraction form
    102,153,413.15/140,974,700.97 = 55,746,658.25/x
  3. Step 3: Cross multiply
    102,153,413.15x = 140,974,700.97 × 55,746,658.25
  4. Step 4: Simplify right side
    102,153,413.15x = 7,858,868,476,165,660
  5. Step 5: Solve for x
    x = 7,858,868,476,165,660/102,153,413.15
  6. Step 6: Final answer
    x = 76,932,020.52

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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.