Home / 118,741,544.48-163,863,221.45-66,530,953.55

Finding the Fourth Proportional to 118,741,544.48, 163,863,221.45 and 66,530,953.55

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Solution

The fourth proportional to 118,741,544.48, 163,863,221.45 and 66,530,953.55 is: 91,812,654.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,741,544.48 : 163,863,221.45 = 66,530,953.55 : x
  2. Step 2: Convert to fraction form
    118,741,544.48/163,863,221.45 = 66,530,953.55/x
  3. Step 3: Cross multiply
    118,741,544.48x = 163,863,221.45 × 66,530,953.55
  4. Step 4: Simplify right side
    118,741,544.48x = 10,901,976,373,691,342
  5. Step 5: Solve for x
    x = 10,901,976,373,691,342/118,741,544.48
  6. Step 6: Final answer
    x = 91,812,654.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.