Home / 114,873,846.40-172,310,769.60-82,625,219.20

Finding the Fourth Proportional to 114,873,846.40, 172,310,769.60 and 82,625,219.20

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Solution

The fourth proportional to 114,873,846.40, 172,310,769.60 and 82,625,219.20 is: 123,937,828.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,873,846.40 : 172,310,769.60 = 82,625,219.20 : x
  2. Step 2: Convert to fraction form
    114,873,846.40/172,310,769.60 = 82,625,219.20/x
  3. Step 3: Cross multiply
    114,873,846.40x = 172,310,769.60 × 82,625,219.20
  4. Step 4: Simplify right side
    114,873,846.40x = 14,237,215,108,720,696
  5. Step 5: Solve for x
    x = 14,237,215,108,720,696/114,873,846.40
  6. Step 6: Final answer
    x = 123,937,828.80

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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.