Home / 108,811,389.01-150,120,281.61-61,741,203.78

Finding the Fourth Proportional to 108,811,389.01, 150,120,281.61 and 61,741,203.78

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Solution

The fourth proportional to 108,811,389.01, 150,120,281.61 and 61,741,203.78 is: 85,180,485.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,811,389.01 : 150,120,281.61 = 61,741,203.78 : x
  2. Step 2: Convert to fraction form
    108,811,389.01/150,120,281.61 = 61,741,203.78/x
  3. Step 3: Cross multiply
    108,811,389.01x = 150,120,281.61 × 61,741,203.78
  4. Step 4: Simplify right side
    108,811,389.01x = 9,268,606,898,393,998
  5. Step 5: Solve for x
    x = 9,268,606,898,393,998/108,811,389.01
  6. Step 6: Final answer
    x = 85,180,485.08

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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.