Home / 239,145,145.20-358,717,717.80-218,737,810.80

Finding the Fourth Proportional to 239,145,145.20, 358,717,717.80 and 218,737,810.80

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Solution

The fourth proportional to 239,145,145.20, 358,717,717.80 and 218,737,810.80 is: 328,106,716.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,145,145.20 : 358,717,717.80 = 218,737,810.80 : x
  2. Step 2: Convert to fraction form
    239,145,145.20/358,717,717.80 = 218,737,810.80/x
  3. Step 3: Cross multiply
    239,145,145.20x = 358,717,717.80 × 218,737,810.80
  4. Step 4: Simplify right side
    239,145,145.20x = 78,465,128,286,744,192
  5. Step 5: Solve for x
    x = 78,465,128,286,744,192/239,145,145.20
  6. Step 6: Final answer
    x = 328,106,716.20

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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.