Home / 159,648,904.80-239,473,357.20-68,949,640.80

Finding the Fourth Proportional to 159,648,904.80, 239,473,357.20 and 68,949,640.80

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Solution

The fourth proportional to 159,648,904.80, 239,473,357.20 and 68,949,640.80 is: 103,424,461.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,648,904.80 : 239,473,357.20 = 68,949,640.80 : x
  2. Step 2: Convert to fraction form
    159,648,904.80/239,473,357.20 = 68,949,640.80/x
  3. Step 3: Cross multiply
    159,648,904.80x = 239,473,357.20 × 68,949,640.80
  4. Step 4: Simplify right side
    159,648,904.80x = 16,511,601,960,110,092
  5. Step 5: Solve for x
    x = 16,511,601,960,110,092/159,648,904.80
  6. Step 6: Final answer
    x = 103,424,461.20

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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.