Home / 144,041,963.82-198,777,895.32-77,962,450.46

Finding the Fourth Proportional to 144,041,963.82, 198,777,895.32 and 77,962,450.46

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Solution

The fourth proportional to 144,041,963.82, 198,777,895.32 and 77,962,450.46 is: 107,588,173.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,041,963.82 : 198,777,895.32 = 77,962,450.46 : x
  2. Step 2: Convert to fraction form
    144,041,963.82/198,777,895.32 = 77,962,450.46/x
  3. Step 3: Cross multiply
    144,041,963.82x = 198,777,895.32 × 77,962,450.46
  4. Step 4: Simplify right side
    144,041,963.82x = 15,497,211,816,428,564
  5. Step 5: Solve for x
    x = 15,497,211,816,428,564/144,041,963.82
  6. Step 6: Final answer
    x = 107,588,173.65

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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.