Home / 144,946,981.70-217,420,472.55-49,208,869.70

Finding the Fourth Proportional to 144,946,981.70, 217,420,472.55 and 49,208,869.70

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Solution

The fourth proportional to 144,946,981.70, 217,420,472.55 and 49,208,869.70 is: 73,813,304.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,946,981.70 : 217,420,472.55 = 49,208,869.70 : x
  2. Step 2: Convert to fraction form
    144,946,981.70/217,420,472.55 = 49,208,869.70/x
  3. Step 3: Cross multiply
    144,946,981.70x = 217,420,472.55 × 49,208,869.70
  4. Step 4: Simplify right side
    144,946,981.70x = 10,699,015,703,825,378
  5. Step 5: Solve for x
    x = 10,699,015,703,825,378/144,946,981.70
  6. Step 6: Final answer
    x = 73,813,304.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.