Home / 66,347,833.47-91,557,512.96-38,471,720.07

Finding the Fourth Proportional to 66,347,833.47, 91,557,512.96 and 38,471,720.07

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Solution

The fourth proportional to 66,347,833.47, 91,557,512.96 and 38,471,720.07 is: 53,089,525.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,347,833.47 : 91,557,512.96 = 38,471,720.07 : x
  2. Step 2: Convert to fraction form
    66,347,833.47/91,557,512.96 = 38,471,720.07/x
  3. Step 3: Cross multiply
    66,347,833.47x = 91,557,512.96 × 38,471,720.07
  4. Step 4: Simplify right side
    66,347,833.47x = 3,522,375,008,710,158.50
  5. Step 5: Solve for x
    x = 3,522,375,008,710,158.50/66,347,833.47
  6. Step 6: Final answer
    x = 53,089,525.68

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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.