Home / 356,165,273.81-534,185,078.51-137,635,959.44

Finding the Fourth Proportional to 356,165,273.81, 534,185,078.51 and 137,635,959.44

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Solution

The fourth proportional to 356,165,273.81, 534,185,078.51 and 137,635,959.44 is: 206,429,658.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,165,273.81 : 534,185,078.51 = 137,635,959.44 : x
  2. Step 2: Convert to fraction form
    356,165,273.81/534,185,078.51 = 137,635,959.44/x
  3. Step 3: Cross multiply
    356,165,273.81x = 534,185,078.51 × 137,635,959.44
  4. Step 4: Simplify right side
    356,165,273.81x = 73,523,075,800,935,120
  5. Step 5: Solve for x
    x = 73,523,075,800,935,120/356,165,273.81
  6. Step 6: Final answer
    x = 206,429,658.38

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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.