Home / 55,906,720.28-83,880,258.78-19,520,471.24

Finding the Fourth Proportional to 55,906,720.28, 83,880,258.78 and 19,520,471.24

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Solution

The fourth proportional to 55,906,720.28, 83,880,258.78 and 19,520,471.24 is: 29,287,752.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,906,720.28 : 83,880,258.78 = 19,520,471.24 : x
  2. Step 2: Convert to fraction form
    55,906,720.28/83,880,258.78 = 19,520,471.24/x
  3. Step 3: Cross multiply
    55,906,720.28x = 83,880,258.78 × 19,520,471.24
  4. Step 4: Simplify right side
    55,906,720.28x = 1,637,382,179,118,747.25
  5. Step 5: Solve for x
    x = 1,637,382,179,118,747.25/55,906,720.28
  6. Step 6: Final answer
    x = 29,287,752.37

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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.