Home / 85,002,193.60-127,503,290.40-50,989,969.60

Finding the Fourth Proportional to 85,002,193.60, 127,503,290.40 and 50,989,969.60

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Solution

The fourth proportional to 85,002,193.60, 127,503,290.40 and 50,989,969.60 is: 76,484,954.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,002,193.60 : 127,503,290.40 = 50,989,969.60 : x
  2. Step 2: Convert to fraction form
    85,002,193.60/127,503,290.40 = 50,989,969.60/x
  3. Step 3: Cross multiply
    85,002,193.60x = 127,503,290.40 × 50,989,969.60
  4. Step 4: Simplify right side
    85,002,193.60x = 6,501,388,901,395,972
  5. Step 5: Solve for x
    x = 6,501,388,901,395,972/85,002,193.60
  6. Step 6: Final answer
    x = 76,484,954.40

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Double scale
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Similar ratio
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1.5x scale

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.