Home / 118,321,010.89-178,289,143.40-97,228,117.60

Finding the Fourth Proportional to 118,321,010.89, 178,289,143.40 and 97,228,117.60

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Solution

The fourth proportional to 118,321,010.89, 178,289,143.40 and 97,228,117.60 is: 146,505,829.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,321,010.89 : 178,289,143.40 = 97,228,117.60 : x
  2. Step 2: Convert to fraction form
    118,321,010.89/178,289,143.40 = 97,228,117.60/x
  3. Step 3: Cross multiply
    118,321,010.89x = 178,289,143.40 × 97,228,117.60
  4. Step 4: Simplify right side
    118,321,010.89x = 17,334,717,801,095,810
  5. Step 5: Solve for x
    x = 17,334,717,801,095,810/118,321,010.89
  6. Step 6: Final answer
    x = 146,505,829.11

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.