Home / 108,106,229.92-149,189,022.48-61,695,559.84

Finding the Fourth Proportional to 108,106,229.92, 149,189,022.48 and 61,695,559.84

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Solution

The fourth proportional to 108,106,229.92, 149,189,022.48 and 61,695,559.84 is: 85,141,256.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,106,229.92 : 149,189,022.48 = 61,695,559.84 : x
  2. Step 2: Convert to fraction form
    108,106,229.92/149,189,022.48 = 61,695,559.84/x
  3. Step 3: Cross multiply
    108,106,229.92x = 149,189,022.48 × 61,695,559.84
  4. Step 4: Simplify right side
    108,106,229.92x = 9,204,300,263,885,946
  5. Step 5: Solve for x
    x = 9,204,300,263,885,946/108,106,229.92
  6. Step 6: Final answer
    x = 85,141,256.62

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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.