Home / 140,646,167.80-210,969,251.70-49,778,942.20

Finding the Fourth Proportional to 140,646,167.80, 210,969,251.70 and 49,778,942.20

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Solution

The fourth proportional to 140,646,167.80, 210,969,251.70 and 49,778,942.20 is: 74,668,413.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,646,167.80 : 210,969,251.70 = 49,778,942.20 : x
  2. Step 2: Convert to fraction form
    140,646,167.80/210,969,251.70 = 49,778,942.20/x
  3. Step 3: Cross multiply
    140,646,167.80x = 210,969,251.70 × 49,778,942.20
  4. Step 4: Simplify right side
    140,646,167.80x = 10,501,826,186,351,552
  5. Step 5: Solve for x
    x = 10,501,826,186,351,552/140,646,167.80
  6. Step 6: Final answer
    x = 74,668,413.30

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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.