Home / 157,777,140.60-217,754,083.67-90,794,722.14

Finding the Fourth Proportional to 157,777,140.60, 217,754,083.67 and 90,794,722.14

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Solution

The fourth proportional to 157,777,140.60, 217,754,083.67 and 90,794,722.14 is: 125,309,163.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,777,140.60 : 217,754,083.67 = 90,794,722.14 : x
  2. Step 2: Convert to fraction form
    157,777,140.60/217,754,083.67 = 90,794,722.14/x
  3. Step 3: Cross multiply
    157,777,140.60x = 217,754,083.67 × 90,794,722.14
  4. Step 4: Simplify right side
    157,777,140.60x = 19,770,921,521,213,988
  5. Step 5: Solve for x
    x = 19,770,921,521,213,988/157,777,140.60
  6. Step 6: Final answer
    x = 125,309,163.58

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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.