Home / 108,138,986.49-162,208,479.75-26,257,313.28

Finding the Fourth Proportional to 108,138,986.49, 162,208,479.75 and 26,257,313.28

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Solution

The fourth proportional to 108,138,986.49, 162,208,479.75 and 26,257,313.28 is: 39,385,969.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,138,986.49 : 162,208,479.75 = 26,257,313.28 : x
  2. Step 2: Convert to fraction form
    108,138,986.49/162,208,479.75 = 26,257,313.28/x
  3. Step 3: Cross multiply
    108,138,986.49x = 162,208,479.75 × 26,257,313.28
  4. Step 4: Simplify right side
    108,138,986.49x = 4,259,158,869,468,286.50
  5. Step 5: Solve for x
    x = 4,259,158,869,468,286.50/108,138,986.49
  6. Step 6: Final answer
    x = 39,385,969.92

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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.