Home / 52,598,540.20-78,841,823.10-20,237,938.60

Finding the Fourth Proportional to 52,598,540.20, 78,841,823.10 and 20,237,938.60

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Solution

The fourth proportional to 52,598,540.20, 78,841,823.10 and 20,237,938.60 is: 30,335,366.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,598,540.20 : 78,841,823.10 = 20,237,938.60 : x
  2. Step 2: Convert to fraction form
    52,598,540.20/78,841,823.10 = 20,237,938.60/x
  3. Step 3: Cross multiply
    52,598,540.20x = 78,841,823.10 × 20,237,938.60
  4. Step 4: Simplify right side
    52,598,540.20x = 1,595,595,975,009,861.75
  5. Step 5: Solve for x
    x = 1,595,595,975,009,861.75/52,598,540.20
  6. Step 6: Final answer
    x = 30,335,366.13

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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.