Home / 293,216,262.28-439,611,145.79-137,689,929.07

Finding the Fourth Proportional to 293,216,262.28, 439,611,145.79 and 137,689,929.07

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Solution

The fourth proportional to 293,216,262.28, 439,611,145.79 and 137,689,929.07 is: 206,434,755.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,216,262.28 : 439,611,145.79 = 137,689,929.07 : x
  2. Step 2: Convert to fraction form
    293,216,262.28/439,611,145.79 = 137,689,929.07/x
  3. Step 3: Cross multiply
    293,216,262.28x = 439,611,145.79 × 137,689,929.07
  4. Step 4: Simplify right side
    293,216,262.28x = 60,530,027,481,451,728
  5. Step 5: Solve for x
    x = 60,530,027,481,451,728/293,216,262.28
  6. Step 6: Final answer
    x = 206,434,755.74

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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.