Home / 118,199,001.42-163,117,203.09-65,275,601.25

Finding the Fourth Proportional to 118,199,001.42, 163,117,203.09 and 65,275,601.25

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Solution

The fourth proportional to 118,199,001.42, 163,117,203.09 and 65,275,601.25 is: 90,081,755.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,199,001.42 : 163,117,203.09 = 65,275,601.25 : x
  2. Step 2: Convert to fraction form
    118,199,001.42/163,117,203.09 = 65,275,601.25/x
  3. Step 3: Cross multiply
    118,199,001.42x = 163,117,203.09 × 65,275,601.25
  4. Step 4: Simplify right side
    118,199,001.42x = 10,647,573,505,918,108
  5. Step 5: Solve for x
    x = 10,647,573,505,918,108/118,199,001.42
  6. Step 6: Final answer
    x = 90,081,755.16

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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.