Home / 118,728,337.76-163,841,144.76-65,802,790.08

Finding the Fourth Proportional to 118,728,337.76, 163,841,144.76 and 65,802,790.08

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Solution

The fourth proportional to 118,728,337.76, 163,841,144.76 and 65,802,790.08 is: 90,805,654.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,728,337.76 : 163,841,144.76 = 65,802,790.08 : x
  2. Step 2: Convert to fraction form
    118,728,337.76/163,841,144.76 = 65,802,790.08/x
  3. Step 3: Cross multiply
    118,728,337.76x = 163,841,144.76 × 65,802,790.08
  4. Step 4: Simplify right side
    118,728,337.76x = 10,781,204,455,109,172
  5. Step 5: Solve for x
    x = 10,781,204,455,109,172/118,728,337.76
  6. Step 6: Final answer
    x = 90,805,654.81

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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.