Home / 159,467,429.20-239,313,118.20-68,656,190.80

Finding the Fourth Proportional to 159,467,429.20, 239,313,118.20 and 68,656,190.80

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Solution

The fourth proportional to 159,467,429.20, 239,313,118.20 and 68,656,190.80 is: 103,032,495.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,467,429.20 : 239,313,118.20 = 68,656,190.80 : x
  2. Step 2: Convert to fraction form
    159,467,429.20/239,313,118.20 = 68,656,190.80/x
  3. Step 3: Cross multiply
    159,467,429.20x = 239,313,118.20 × 68,656,190.80
  4. Step 4: Simplify right side
    159,467,429.20x = 16,430,327,104,082,152
  5. Step 5: Solve for x
    x = 16,430,327,104,082,152/159,467,429.20
  6. Step 6: Final answer
    x = 103,032,495.01

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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.