Home / 108,811,387.01-150,120,278.85-61,741,201.78

Finding the Fourth Proportional to 108,811,387.01, 150,120,278.85 and 61,741,201.78

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Solution

The fourth proportional to 108,811,387.01, 150,120,278.85 and 61,741,201.78 is: 85,180,482.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,811,387.01 : 150,120,278.85 = 61,741,201.78 : x
  2. Step 2: Convert to fraction form
    108,811,387.01/150,120,278.85 = 61,741,201.78/x
  3. Step 3: Cross multiply
    108,811,387.01x = 150,120,278.85 × 61,741,201.78
  4. Step 4: Simplify right side
    108,811,387.01x = 9,268,606,428,415,240
  5. Step 5: Solve for x
    x = 9,268,606,428,415,240/108,811,387.01
  6. Step 6: Final answer
    x = 85,180,482.33

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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.