Home / 159,982,702.56-239,986,495.44-52,288,212.96

Finding the Fourth Proportional to 159,982,702.56, 239,986,495.44 and 52,288,212.96

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Solution

The fourth proportional to 159,982,702.56, 239,986,495.44 and 52,288,212.96 is: 78,436,385.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,982,702.56 : 239,986,495.44 = 52,288,212.96 : x
  2. Step 2: Convert to fraction form
    159,982,702.56/239,986,495.44 = 52,288,212.96/x
  3. Step 3: Cross multiply
    159,982,702.56x = 239,986,495.44 × 52,288,212.96
  4. Step 4: Simplify right side
    159,982,702.56x = 12,548,464,981,090,788
  5. Step 5: Solve for x
    x = 12,548,464,981,090,788/159,982,702.56
  6. Step 6: Final answer
    x = 78,436,385.81

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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.