Home / 100,923,033.84-139,273,842.36-54,513,287.28

Finding the Fourth Proportional to 100,923,033.84, 139,273,842.36 and 54,513,287.28

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Solution

The fourth proportional to 100,923,033.84, 139,273,842.36 and 54,513,287.28 is: 75,228,366.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,923,033.84 : 139,273,842.36 = 54,513,287.28 : x
  2. Step 2: Convert to fraction form
    100,923,033.84/139,273,842.36 = 54,513,287.28/x
  3. Step 3: Cross multiply
    100,923,033.84x = 139,273,842.36 × 54,513,287.28
  4. Step 4: Simplify right side
    100,923,033.84x = 7,592,274,979,160,114
  5. Step 5: Solve for x
    x = 7,592,274,979,160,114/100,923,033.84
  6. Step 6: Final answer
    x = 75,228,366.51

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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.