Home / 130,363,795.40-195,694,992.30-76,541,433.80

Finding the Fourth Proportional to 130,363,795.40, 195,694,992.30 and 76,541,433.80

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Solution

The fourth proportional to 130,363,795.40, 195,694,992.30 and 76,541,433.80 is: 114,899,809.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,363,795.40 : 195,694,992.30 = 76,541,433.80 : x
  2. Step 2: Convert to fraction form
    130,363,795.40/195,694,992.30 = 76,541,433.80/x
  3. Step 3: Cross multiply
    130,363,795.40x = 195,694,992.30 × 76,541,433.80
  4. Step 4: Simplify right side
    130,363,795.40x = 14,978,775,298,121,960
  5. Step 5: Solve for x
    x = 14,978,775,298,121,960/130,363,795.40
  6. Step 6: Final answer
    x = 114,899,809.81

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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.