Home / 85,083,505.60-127,625,258.40-83,193,937.60

Finding the Fourth Proportional to 85,083,505.60, 127,625,258.40 and 83,193,937.60

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Solution

The fourth proportional to 85,083,505.60, 127,625,258.40 and 83,193,937.60 is: 124,790,906.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,083,505.60 : 127,625,258.40 = 83,193,937.60 : x
  2. Step 2: Convert to fraction form
    85,083,505.60/127,625,258.40 = 83,193,937.60/x
  3. Step 3: Cross multiply
    85,083,505.60x = 127,625,258.40 × 83,193,937.60
  4. Step 4: Simplify right side
    85,083,505.60x = 10,617,647,783,513,476
  5. Step 5: Solve for x
    x = 10,617,647,783,513,476/85,083,505.60
  6. Step 6: Final answer
    x = 124,790,906.40

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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.