Home / 215,260,031.80-322,890,047.70-203,922,623.80

Finding the Fourth Proportional to 215,260,031.80, 322,890,047.70 and 203,922,623.80

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Solution

The fourth proportional to 215,260,031.80, 322,890,047.70 and 203,922,623.80 is: 305,883,935.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,260,031.80 : 322,890,047.70 = 203,922,623.80 : x
  2. Step 2: Convert to fraction form
    215,260,031.80/322,890,047.70 = 203,922,623.80/x
  3. Step 3: Cross multiply
    215,260,031.80x = 322,890,047.70 × 203,922,623.80
  4. Step 4: Simplify right side
    215,260,031.80x = 65,844,585,725,891,160
  5. Step 5: Solve for x
    x = 65,844,585,725,891,160/215,260,031.80
  6. Step 6: Final answer
    x = 305,883,935.70

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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.