Home / 85,339,968.01-117,740,325.93-55,557,054.52

Finding the Fourth Proportional to 85,339,968.01, 117,740,325.93 and 55,557,054.52

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Solution

The fourth proportional to 85,339,968.01, 117,740,325.93 and 55,557,054.52 is: 76,649,966.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,339,968.01 : 117,740,325.93 = 55,557,054.52 : x
  2. Step 2: Convert to fraction form
    85,339,968.01/117,740,325.93 = 55,557,054.52/x
  3. Step 3: Cross multiply
    85,339,968.01x = 117,740,325.93 × 55,557,054.52
  4. Step 4: Simplify right side
    85,339,968.01x = 6,541,305,706,895,580
  5. Step 5: Solve for x
    x = 6,541,305,706,895,580/85,339,968.01
  6. Step 6: Final answer
    x = 76,649,966.71

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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.