Home / 108,324,988.80-162,393,004.80-65,211,345.60

Finding the Fourth Proportional to 108,324,988.80, 162,393,004.80 and 65,211,345.60

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Solution

The fourth proportional to 108,324,988.80, 162,393,004.80 and 65,211,345.60 is: 97,760,142.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,324,988.80 : 162,393,004.80 = 65,211,345.60 : x
  2. Step 2: Convert to fraction form
    108,324,988.80/162,393,004.80 = 65,211,345.60/x
  3. Step 3: Cross multiply
    108,324,988.80x = 162,393,004.80 × 65,211,345.60
  4. Step 4: Simplify right side
    108,324,988.80x = 10,589,866,359,035,260
  5. Step 5: Solve for x
    x = 10,589,866,359,035,260/108,324,988.80
  6. Step 6: Final answer
    x = 97,760,142.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.