Home / 159,573,805.80-239,373,150.30-68,700,359.40

Finding the Fourth Proportional to 159,573,805.80, 239,373,150.30 and 68,700,359.40

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Solution

The fourth proportional to 159,573,805.80, 239,373,150.30 and 68,700,359.40 is: 103,055,895.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,573,805.80 : 239,373,150.30 = 68,700,359.40 : x
  2. Step 2: Convert to fraction form
    159,573,805.80/239,373,150.30 = 68,700,359.40/x
  3. Step 3: Cross multiply
    159,573,805.80x = 239,373,150.30 × 68,700,359.40
  4. Step 4: Simplify right side
    159,573,805.80x = 16,445,021,456,320,220
  5. Step 5: Solve for x
    x = 16,445,021,456,320,220/159,573,805.80
  6. Step 6: Final answer
    x = 103,055,895.51

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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.