Home / 130,108,617.62-179,548,217.21-74,353,399.56

Finding the Fourth Proportional to 130,108,617.62, 179,548,217.21 and 74,353,399.56

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Solution

The fourth proportional to 130,108,617.62, 179,548,217.21 and 74,353,399.56 is: 102,606,734.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,108,617.62 : 179,548,217.21 = 74,353,399.56 : x
  2. Step 2: Convert to fraction form
    130,108,617.62/179,548,217.21 = 74,353,399.56/x
  3. Step 3: Cross multiply
    130,108,617.62x = 179,548,217.21 × 74,353,399.56
  4. Step 4: Simplify right side
    130,108,617.62x = 13,350,020,334,500,800
  5. Step 5: Solve for x
    x = 13,350,020,334,500,800/130,108,617.62
  6. Step 6: Final answer
    x = 102,606,734.12

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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.