Home / 137,339,127.38-205,976,731.44-51,118,139.54

Finding the Fourth Proportional to 137,339,127.38, 205,976,731.44 and 51,118,139.54

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Solution

The fourth proportional to 137,339,127.38, 205,976,731.44 and 51,118,139.54 is: 76,665,313.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,339,127.38 : 205,976,731.44 = 51,118,139.54 : x
  2. Step 2: Convert to fraction form
    137,339,127.38/205,976,731.44 = 51,118,139.54/x
  3. Step 3: Cross multiply
    137,339,127.38x = 205,976,731.44 × 51,118,139.54
  4. Step 4: Simplify right side
    137,339,127.38x = 10,529,147,299,743,024
  5. Step 5: Solve for x
    x = 10,529,147,299,743,024/137,339,127.38
  6. Step 6: Final answer
    x = 76,665,313.82

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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.