Home / 51,979,549.44-71,732,345.52-28,775,063.76

Finding the Fourth Proportional to 51,979,549.44, 71,732,345.52 and 28,775,063.76

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Solution

The fourth proportional to 51,979,549.44, 71,732,345.52 and 28,775,063.76 is: 39,709,902.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,979,549.44 : 71,732,345.52 = 28,775,063.76 : x
  2. Step 2: Convert to fraction form
    51,979,549.44/71,732,345.52 = 28,775,063.76/x
  3. Step 3: Cross multiply
    51,979,549.44x = 71,732,345.52 × 28,775,063.76
  4. Step 4: Simplify right side
    51,979,549.44x = 2,064,102,815,992,350.25
  5. Step 5: Solve for x
    x = 2,064,102,815,992,350.25/51,979,549.44
  6. Step 6: Final answer
    x = 39,709,902.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.