Home / 130,108,636.62-179,548,243.38-74,353,418.55

Finding the Fourth Proportional to 130,108,636.62, 179,548,243.38 and 74,353,418.55

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Solution

The fourth proportional to 130,108,636.62, 179,548,243.38 and 74,353,418.55 is: 102,606,760.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,108,636.62 : 179,548,243.38 = 74,353,418.55 : x
  2. Step 2: Convert to fraction form
    130,108,636.62/179,548,243.38 = 74,353,418.55/x
  3. Step 3: Cross multiply
    130,108,636.62x = 179,548,243.38 × 74,353,418.55
  4. Step 4: Simplify right side
    130,108,636.62x = 13,350,025,689,950,406
  5. Step 5: Solve for x
    x = 13,350,025,689,950,406/130,108,636.62
  6. Step 6: Final answer
    x = 102,606,760.29

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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.