Home / 278,026,633.90-383,651,395.41-164,976,644.68

Finding the Fourth Proportional to 278,026,633.90, 383,651,395.41 and 164,976,644.68

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Solution

The fourth proportional to 278,026,633.90, 383,651,395.41 and 164,976,644.68 is: 227,652,721.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,026,633.90 : 383,651,395.41 = 164,976,644.68 : x
  2. Step 2: Convert to fraction form
    278,026,633.90/383,651,395.41 = 164,976,644.68/x
  3. Step 3: Cross multiply
    278,026,633.90x = 383,651,395.41 × 164,976,644.68
  4. Step 4: Simplify right side
    278,026,633.90x = 63,293,519,941,541,760
  5. Step 5: Solve for x
    x = 63,293,519,941,541,760/278,026,633.90
  6. Step 6: Final answer
    x = 227,652,721.80

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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.