Home / 157,777,086.36-217,754,008.74-90,794,667.90

Finding the Fourth Proportional to 157,777,086.36, 217,754,008.74 and 90,794,667.90

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Solution

The fourth proportional to 157,777,086.36, 217,754,008.74 and 90,794,667.90 is: 125,309,088.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,777,086.36 : 217,754,008.74 = 90,794,667.90 : x
  2. Step 2: Convert to fraction form
    157,777,086.36/217,754,008.74 = 90,794,667.90/x
  3. Step 3: Cross multiply
    157,777,086.36x = 217,754,008.74 × 90,794,667.90
  4. Step 4: Simplify right side
    157,777,086.36x = 19,770,902,907,442,000
  5. Step 5: Solve for x
    x = 19,770,902,907,442,000/157,777,086.36
  6. Step 6: Final answer
    x = 125,309,088.69

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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.