Home / 100,552,718.76-150,828,881.28-27,769,315

Finding the Fourth Proportional to 100,552,718.76, 150,828,881.28 and 27,769,315

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Solution

The fourth proportional to 100,552,718.76, 150,828,881.28 and 27,769,315 is: 41,653,918.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,552,718.76 : 150,828,881.28 = 27,769,315 : x
  2. Step 2: Convert to fraction form
    100,552,718.76/150,828,881.28 = 27,769,315/x
  3. Step 3: Cross multiply
    100,552,718.76x = 150,828,881.28 × 27,769,315
  4. Step 4: Simplify right side
    100,552,718.76x = 4,188,414,715,361,923
  5. Step 5: Solve for x
    x = 4,188,414,715,361,923/100,552,718.76
  6. Step 6: Final answer
    x = 41,653,918.13

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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.