Home / 57,862,807.20-86,893,743.60-40,942,231.20

Finding the Fourth Proportional to 57,862,807.20, 86,893,743.60 and 40,942,231.20

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Solution

The fourth proportional to 57,862,807.20, 86,893,743.60 and 40,942,231.20 is: 61,483,773.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,862,807.20 : 86,893,743.60 = 40,942,231.20 : x
  2. Step 2: Convert to fraction form
    57,862,807.20/86,893,743.60 = 40,942,231.20/x
  3. Step 3: Cross multiply
    57,862,807.20x = 86,893,743.60 × 40,942,231.20
  4. Step 4: Simplify right side
    57,862,807.20x = 3,557,623,740,304,720.50
  5. Step 5: Solve for x
    x = 3,557,623,740,304,720.50/57,862,807.20
  6. Step 6: Final answer
    x = 61,483,773.64

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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.