Home / 108,615,040.40-149,887,701.97-59,055,413.42

Finding the Fourth Proportional to 108,615,040.40, 149,887,701.97 and 59,055,413.42

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Solution

The fourth proportional to 108,615,040.40, 149,887,701.97 and 59,055,413.42 is: 81,495,897.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,615,040.40 : 149,887,701.97 = 59,055,413.42 : x
  2. Step 2: Convert to fraction form
    108,615,040.40/149,887,701.97 = 59,055,413.42/x
  3. Step 3: Cross multiply
    108,615,040.40x = 149,887,701.97 × 59,055,413.42
  4. Step 4: Simplify right side
    108,615,040.40x = 8,851,680,205,515,021
  5. Step 5: Solve for x
    x = 8,851,680,205,515,021/108,615,040.40
  6. Step 6: Final answer
    x = 81,495,897.56

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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.