Home / 159,936,604.40-239,993,430.87-78,056,160.92

Finding the Fourth Proportional to 159,936,604.40, 239,993,430.87 and 78,056,160.92

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Solution

The fourth proportional to 159,936,604.40, 239,993,430.87 and 78,056,160.92 is: 117,127,445.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,936,604.40 : 239,993,430.87 = 78,056,160.92 : x
  2. Step 2: Convert to fraction form
    159,936,604.40/239,993,430.87 = 78,056,160.92/x
  3. Step 3: Cross multiply
    159,936,604.40x = 239,993,430.87 × 78,056,160.92
  4. Step 4: Simplify right side
    159,936,604.40x = 18,732,965,858,531,652
  5. Step 5: Solve for x
    x = 18,732,965,858,531,652/159,936,604.40
  6. Step 6: Final answer
    x = 117,127,445.15

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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.