Home / 100,922,891.07-139,273,643.06-54,513,144.91

Finding the Fourth Proportional to 100,922,891.07, 139,273,643.06 and 54,513,144.91

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Solution

The fourth proportional to 100,922,891.07, 139,273,643.06 and 54,513,144.91 is: 75,228,168.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,922,891.07 : 139,273,643.06 = 54,513,144.91 : x
  2. Step 2: Convert to fraction form
    100,922,891.07/139,273,643.06 = 54,513,144.91/x
  3. Step 3: Cross multiply
    100,922,891.07x = 139,273,643.06 × 54,513,144.91
  4. Step 4: Simplify right side
    100,922,891.07x = 7,592,244,286,273,395
  5. Step 5: Solve for x
    x = 7,592,244,286,273,395/100,922,891.07
  6. Step 6: Final answer
    x = 75,228,168.81

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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.