Home / 55,476,979.40-83,215,728.30-19,575,187.40

Finding the Fourth Proportional to 55,476,979.40, 83,215,728.30 and 19,575,187.40

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Solution

The fourth proportional to 55,476,979.40, 83,215,728.30 and 19,575,187.40 is: 29,362,872.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,476,979.40 : 83,215,728.30 = 19,575,187.40 : x
  2. Step 2: Convert to fraction form
    55,476,979.40/83,215,728.30 = 19,575,187.40/x
  3. Step 3: Cross multiply
    55,476,979.40x = 83,215,728.30 × 19,575,187.40
  4. Step 4: Simplify right side
    55,476,979.40x = 1,628,963,476,099,983.25
  5. Step 5: Solve for x
    x = 1,628,963,476,099,983.25/55,476,979.40
  6. Step 6: Final answer
    x = 29,362,872.56

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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.