Home / 57,485,427.20-86,086,423.20-38,211,833.60

Finding the Fourth Proportional to 57,485,427.20, 86,086,423.20 and 38,211,833.60

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Solution

The fourth proportional to 57,485,427.20, 86,086,423.20 and 38,211,833.60 is: 57,223,547.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,485,427.20 : 86,086,423.20 = 38,211,833.60 : x
  2. Step 2: Convert to fraction form
    57,485,427.20/86,086,423.20 = 38,211,833.60/x
  3. Step 3: Cross multiply
    57,485,427.20x = 86,086,423.20 × 38,211,833.60
  4. Step 4: Simplify right side
    57,485,427.20x = 3,289,520,078,537,580
  5. Step 5: Solve for x
    x = 3,289,520,078,537,580/57,485,427.20
  6. Step 6: Final answer
    x = 57,223,547.58

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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.