Home / 215,897,285.48-323,846,872.40-68,345,565.86

Finding the Fourth Proportional to 215,897,285.48, 323,846,872.40 and 68,345,565.86

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Solution

The fourth proportional to 215,897,285.48, 323,846,872.40 and 68,345,565.86 is: 102,518,647.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,897,285.48 : 323,846,872.40 = 68,345,565.86 : x
  2. Step 2: Convert to fraction form
    215,897,285.48/323,846,872.40 = 68,345,565.86/x
  3. Step 3: Cross multiply
    215,897,285.48x = 323,846,872.40 × 68,345,565.86
  4. Step 4: Simplify right side
    215,897,285.48x = 22,133,497,744,208,256
  5. Step 5: Solve for x
    x = 22,133,497,744,208,256/215,897,285.48
  6. Step 6: Final answer
    x = 102,518,647.68

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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.