Home / 144,140,723.33-198,911,739.71-78,060,684.65

Finding the Fourth Proportional to 144,140,723.33, 198,911,739.71 and 78,060,684.65

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Solution

The fourth proportional to 144,140,723.33, 198,911,739.71 and 78,060,684.65 is: 107,722,413.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,140,723.33 : 198,911,739.71 = 78,060,684.65 : x
  2. Step 2: Convert to fraction form
    144,140,723.33/198,911,739.71 = 78,060,684.65/x
  3. Step 3: Cross multiply
    144,140,723.33x = 198,911,739.71 × 78,060,684.65
  4. Step 4: Simplify right side
    144,140,723.33x = 15,527,186,585,885,786
  5. Step 5: Solve for x
    x = 15,527,186,585,885,786/144,140,723.33
  6. Step 6: Final answer
    x = 107,722,413.40

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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.