Home / 49,538,057.60-74,307,086.40-20,804,814.20

Finding the Fourth Proportional to 49,538,057.60, 74,307,086.40 and 20,804,814.20

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Solution

The fourth proportional to 49,538,057.60, 74,307,086.40 and 20,804,814.20 is: 31,207,221.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,538,057.60 : 74,307,086.40 = 20,804,814.20 : x
  2. Step 2: Convert to fraction form
    49,538,057.60/74,307,086.40 = 20,804,814.20/x
  3. Step 3: Cross multiply
    49,538,057.60x = 74,307,086.40 × 20,804,814.20
  4. Step 4: Simplify right side
    49,538,057.60x = 1,545,945,126,295,347
  5. Step 5: Solve for x
    x = 1,545,945,126,295,347/49,538,057.60
  6. Step 6: Final answer
    x = 31,207,221.30

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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.