Home / 278,379,679.96-417,623,294.48-105,843,077.92

Finding the Fourth Proportional to 278,379,679.96, 417,623,294.48 and 105,843,077.92

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Solution

The fourth proportional to 278,379,679.96, 417,623,294.48 and 105,843,077.92 is: 158,785,062.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,379,679.96 : 417,623,294.48 = 105,843,077.92 : x
  2. Step 2: Convert to fraction form
    278,379,679.96/417,623,294.48 = 105,843,077.92/x
  3. Step 3: Cross multiply
    278,379,679.96x = 417,623,294.48 × 105,843,077.92
  4. Step 4: Simplify right side
    278,379,679.96x = 44,202,534,898,853,752
  5. Step 5: Solve for x
    x = 44,202,534,898,853,752/278,379,679.96
  6. Step 6: Final answer
    x = 158,785,062.56

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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.