Home / 52,002,049.60-78,003,074.40-25,128,193.60

Finding the Fourth Proportional to 52,002,049.60, 78,003,074.40 and 25,128,193.60

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Solution

The fourth proportional to 52,002,049.60, 78,003,074.40 and 25,128,193.60 is: 37,692,290.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,002,049.60 : 78,003,074.40 = 25,128,193.60 : x
  2. Step 2: Convert to fraction form
    52,002,049.60/78,003,074.40 = 25,128,193.60/x
  3. Step 3: Cross multiply
    52,002,049.60x = 78,003,074.40 × 25,128,193.60
  4. Step 4: Simplify right side
    52,002,049.60x = 1,960,076,354,918,404
  5. Step 5: Solve for x
    x = 1,960,076,354,918,404/52,002,049.60
  6. Step 6: Final answer
    x = 37,692,290.40

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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.