Home / 99,252,287.79-136,971,936.51-55,202,471.90

Finding the Fourth Proportional to 99,252,287.79, 136,971,936.51 and 55,202,471.90

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Solution

The fourth proportional to 99,252,287.79, 136,971,936.51 and 55,202,471.90 is: 76,181,513.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,252,287.79 : 136,971,936.51 = 55,202,471.90 : x
  2. Step 2: Convert to fraction form
    99,252,287.79/136,971,936.51 = 55,202,471.90/x
  3. Step 3: Cross multiply
    99,252,287.79x = 136,971,936.51 × 55,202,471.90
  4. Step 4: Simplify right side
    99,252,287.79x = 7,561,189,476,214,425
  5. Step 5: Solve for x
    x = 7,561,189,476,214,425/99,252,287.79
  6. Step 6: Final answer
    x = 76,181,513.24

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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.