Home / 55,476,979.90-83,215,729.05-19,575,187.90

Finding the Fourth Proportional to 55,476,979.90, 83,215,729.05 and 19,575,187.90

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Solution

The fourth proportional to 55,476,979.90, 83,215,729.05 and 19,575,187.90 is: 29,362,873.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,476,979.90 : 83,215,729.05 = 19,575,187.90 : x
  2. Step 2: Convert to fraction form
    55,476,979.90/83,215,729.05 = 19,575,187.90/x
  3. Step 3: Cross multiply
    55,476,979.90x = 83,215,729.05 × 19,575,187.90
  4. Step 4: Simplify right side
    55,476,979.90x = 1,628,963,532,389,238.25
  5. Step 5: Solve for x
    x = 1,628,963,532,389,238.25/55,476,979.90
  6. Step 6: Final answer
    x = 29,362,873.31

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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.