Home / 107,218,911.80-160,828,367.70-30,540,942.20

Finding the Fourth Proportional to 107,218,911.80, 160,828,367.70 and 30,540,942.20

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Solution

The fourth proportional to 107,218,911.80, 160,828,367.70 and 30,540,942.20 is: 45,811,413.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,218,911.80 : 160,828,367.70 = 30,540,942.20 : x
  2. Step 2: Convert to fraction form
    107,218,911.80/160,828,367.70 = 30,540,942.20/x
  3. Step 3: Cross multiply
    107,218,911.80x = 160,828,367.70 × 30,540,942.20
  4. Step 4: Simplify right side
    107,218,911.80x = 4,911,849,882,046,046
  5. Step 5: Solve for x
    x = 4,911,849,882,046,046/107,218,911.80
  6. Step 6: Final answer
    x = 45,811,413.30

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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.