Home / 130,695,993.30-196,065,285.38-38,589,042.09

Finding the Fourth Proportional to 130,695,993.30, 196,065,285.38 and 38,589,042.09

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Solution

The fourth proportional to 130,695,993.30, 196,065,285.38 and 38,589,042.09 is: 57,889,850.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,695,993.30 : 196,065,285.38 = 38,589,042.09 : x
  2. Step 2: Convert to fraction form
    130,695,993.30/196,065,285.38 = 38,589,042.09/x
  3. Step 3: Cross multiply
    130,695,993.30x = 196,065,285.38 × 38,589,042.09
  4. Step 4: Simplify right side
    130,695,993.30x = 7,565,971,549,723,737
  5. Step 5: Solve for x
    x = 7,565,971,549,723,737/130,695,993.30
  6. Step 6: Final answer
    x = 57,889,850.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.