Home / 49,538,048.60-74,307,072.90-20,804,805.20

Finding the Fourth Proportional to 49,538,048.60, 74,307,072.90 and 20,804,805.20

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Solution

The fourth proportional to 49,538,048.60, 74,307,072.90 and 20,804,805.20 is: 31,207,207.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,538,048.60 : 74,307,072.90 = 20,804,805.20 : x
  2. Step 2: Convert to fraction form
    49,538,048.60/74,307,072.90 = 20,804,805.20/x
  3. Step 3: Cross multiply
    49,538,048.60x = 74,307,072.90 × 20,804,805.20
  4. Step 4: Simplify right side
    49,538,048.60x = 1,545,944,176,666,699.25
  5. Step 5: Solve for x
    x = 1,545,944,176,666,699.25/49,538,048.60
  6. Step 6: Final answer
    x = 31,207,207.80

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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.