Home / 144,002,303.46-198,723,524.21-77,923,510.78

Finding the Fourth Proportional to 144,002,303.46, 198,723,524.21 and 77,923,510.78

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Solution

The fourth proportional to 144,002,303.46, 198,723,524.21 and 77,923,510.78 is: 107,534,631.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,002,303.46 : 198,723,524.21 = 77,923,510.78 : x
  2. Step 2: Convert to fraction form
    144,002,303.46/198,723,524.21 = 77,923,510.78/x
  3. Step 3: Cross multiply
    144,002,303.46x = 198,723,524.21 × 77,923,510.78
  4. Step 4: Simplify right side
    144,002,303.46x = 15,485,234,680,662,522
  5. Step 5: Solve for x
    x = 15,485,234,680,662,522/144,002,303.46
  6. Step 6: Final answer
    x = 107,534,631.80

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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.