Home / 144,140,723.70-198,911,740.23-78,060,685.02

Finding the Fourth Proportional to 144,140,723.70, 198,911,740.23 and 78,060,685.02

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Solution

The fourth proportional to 144,140,723.70, 198,911,740.23 and 78,060,685.02 is: 107,722,413.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,140,723.70 : 198,911,740.23 = 78,060,685.02 : x
  2. Step 2: Convert to fraction form
    144,140,723.70/198,911,740.23 = 78,060,685.02/x
  3. Step 3: Cross multiply
    144,140,723.70x = 198,911,740.23 × 78,060,685.02
  4. Step 4: Simplify right side
    144,140,723.70x = 15,527,186,700,874,090
  5. Step 5: Solve for x
    x = 15,527,186,700,874,090/144,140,723.70
  6. Step 6: Final answer
    x = 107,722,413.92

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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.