Home / 51,201,260.13-76,801,964.10-20,909,123.13

Finding the Fourth Proportional to 51,201,260.13, 76,801,964.10 and 20,909,123.13

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Solution

The fourth proportional to 51,201,260.13, 76,801,964.10 and 20,909,123.13 is: 31,363,714.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,201,260.13 : 76,801,964.10 = 20,909,123.13 : x
  2. Step 2: Convert to fraction form
    51,201,260.13/76,801,964.10 = 20,909,123.13/x
  3. Step 3: Cross multiply
    51,201,260.13x = 76,801,964.10 × 20,909,123.13
  4. Step 4: Simplify right side
    51,201,260.13x = 1,605,861,723,992,739.50
  5. Step 5: Solve for x
    x = 1,605,861,723,992,739.50/51,201,260.13
  6. Step 6: Final answer
    x = 31,363,714.88

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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.