Home / 78,841,470.50-118,184,481.86-27,687,617.06

Finding the Fourth Proportional to 78,841,470.50, 118,184,481.86 and 27,687,617.06

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Solution

The fourth proportional to 78,841,470.50, 118,184,481.86 and 27,687,617.06 is: 41,504,130.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,841,470.50 : 118,184,481.86 = 27,687,617.06 : x
  2. Step 2: Convert to fraction form
    78,841,470.50/118,184,481.86 = 27,687,617.06/x
  3. Step 3: Cross multiply
    78,841,470.50x = 118,184,481.86 × 27,687,617.06
  4. Step 4: Simplify right side
    78,841,470.50x = 3,272,246,676,174,196.50
  5. Step 5: Solve for x
    x = 3,272,246,676,174,196.50/78,841,470.50
  6. Step 6: Final answer
    x = 41,504,130.45

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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.