Home / 101,643,043.92-140,269,477.08-55,236,287.28

Finding the Fourth Proportional to 101,643,043.92, 140,269,477.08 and 55,236,287.28

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Solution

The fourth proportional to 101,643,043.92, 140,269,477.08 and 55,236,287.28 is: 76,227,204.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,643,043.92 : 140,269,477.08 = 55,236,287.28 : x
  2. Step 2: Convert to fraction form
    101,643,043.92/140,269,477.08 = 55,236,287.28/x
  3. Step 3: Cross multiply
    101,643,043.92x = 140,269,477.08 × 55,236,287.28
  4. Step 4: Simplify right side
    101,643,043.92x = 7,747,965,132,606,256
  5. Step 5: Solve for x
    x = 7,747,965,132,606,256/101,643,043.92
  6. Step 6: Final answer
    x = 76,227,204.87

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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.