Home / 144,007,832.27-198,731,332.04-77,928,323.67

Finding the Fourth Proportional to 144,007,832.27, 198,731,332.04 and 77,928,323.67

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Solution

The fourth proportional to 144,007,832.27, 198,731,332.04 and 77,928,323.67 is: 107,541,369.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,007,832.27 : 198,731,332.04 = 77,928,323.67 : x
  2. Step 2: Convert to fraction form
    144,007,832.27/198,731,332.04 = 77,928,323.67/x
  3. Step 3: Cross multiply
    144,007,832.27x = 198,731,332.04 × 77,928,323.67
  4. Step 4: Simplify right side
    144,007,832.27x = 15,486,799,566,193,720
  5. Step 5: Solve for x
    x = 15,486,799,566,193,720/144,007,832.27
  6. Step 6: Final answer
    x = 107,541,369.95

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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.