Home / 144,855,111.28-217,378,391.96-68,200,061.36

Finding the Fourth Proportional to 144,855,111.28, 217,378,391.96 and 68,200,061.36

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Solution

The fourth proportional to 144,855,111.28, 217,378,391.96 and 68,200,061.36 is: 102,345,160.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,855,111.28 : 217,378,391.96 = 68,200,061.36 : x
  2. Step 2: Convert to fraction form
    144,855,111.28/217,378,391.96 = 68,200,061.36/x
  3. Step 3: Cross multiply
    144,855,111.28x = 217,378,391.96 × 68,200,061.36
  4. Step 4: Simplify right side
    144,855,111.28x = 14,825,219,670,010,132
  5. Step 5: Solve for x
    x = 14,825,219,670,010,132/144,855,111.28
  6. Step 6: Final answer
    x = 102,345,160.89

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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.