Home / 215,382,703.73-323,080,627.52-84,219,740.69

Finding the Fourth Proportional to 215,382,703.73, 323,080,627.52 and 84,219,740.69

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Solution

The fourth proportional to 215,382,703.73, 323,080,627.52 and 84,219,740.69 is: 126,332,180.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,382,703.73 : 323,080,627.52 = 84,219,740.69 : x
  2. Step 2: Convert to fraction form
    215,382,703.73/323,080,627.52 = 84,219,740.69/x
  3. Step 3: Cross multiply
    215,382,703.73x = 323,080,627.52 × 84,219,740.69
  4. Step 4: Simplify right side
    215,382,703.73x = 27,209,766,670,292,024
  5. Step 5: Solve for x
    x = 27,209,766,670,292,024/215,382,703.73
  6. Step 6: Final answer
    x = 126,332,180.81

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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.