Home / 108,942,435.78-150,255,512.46-69,787,853.08

Finding the Fourth Proportional to 108,942,435.78, 150,255,512.46 and 69,787,853.08

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Solution

The fourth proportional to 108,942,435.78, 150,255,512.46 and 69,787,853.08 is: 96,252,755.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,942,435.78 : 150,255,512.46 = 69,787,853.08 : x
  2. Step 2: Convert to fraction form
    108,942,435.78/150,255,512.46 = 69,787,853.08/x
  3. Step 3: Cross multiply
    108,942,435.78x = 150,255,512.46 × 69,787,853.08
  4. Step 4: Simplify right side
    108,942,435.78x = 10,486,009,628,018,590
  5. Step 5: Solve for x
    x = 10,486,009,628,018,590/108,942,435.78
  6. Step 6: Final answer
    x = 96,252,755.44

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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.