Home / 320,589,080.10-442,413,780.93-173,911,364.10

Finding the Fourth Proportional to 320,589,080.10, 442,413,780.93 and 173,911,364.10

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Solution

The fourth proportional to 320,589,080.10, 442,413,780.93 and 173,911,364.10 is: 239,998,143.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,589,080.10 : 442,413,780.93 = 173,911,364.10 : x
  2. Step 2: Convert to fraction form
    320,589,080.10/442,413,780.93 = 173,911,364.10/x
  3. Step 3: Cross multiply
    320,589,080.10x = 442,413,780.93 × 173,911,364.10
  4. Step 4: Simplify right side
    320,589,080.10x = 76,940,784,138,174,864
  5. Step 5: Solve for x
    x = 76,940,784,138,174,864/320,589,080.10
  6. Step 6: Final answer
    x = 239,998,143.77

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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.