Home / 159,936,603.48-239,993,429.50-78,056,160

Finding the Fourth Proportional to 159,936,603.48, 239,993,429.50 and 78,056,160

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Solution

The fourth proportional to 159,936,603.48, 239,993,429.50 and 78,056,160 is: 117,127,443.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,936,603.48 : 239,993,429.50 = 78,056,160 : x
  2. Step 2: Convert to fraction form
    159,936,603.48/239,993,429.50 = 78,056,160/x
  3. Step 3: Cross multiply
    159,936,603.48x = 239,993,429.50 × 78,056,160
  4. Step 4: Simplify right side
    159,936,603.48x = 18,732,965,532,000,720
  5. Step 5: Solve for x
    x = 18,732,965,532,000,720/159,936,603.48
  6. Step 6: Final answer
    x = 117,127,443.78

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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.