Home / 85,102,824.96-127,654,236.48-21,277,416.96

Finding the Fourth Proportional to 85,102,824.96, 127,654,236.48 and 21,277,416.96

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Solution

The fourth proportional to 85,102,824.96, 127,654,236.48 and 21,277,416.96 is: 31,916,125.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,102,824.96 : 127,654,236.48 = 21,277,416.96 : x
  2. Step 2: Convert to fraction form
    85,102,824.96/127,654,236.48 = 21,277,416.96/x
  3. Step 3: Cross multiply
    85,102,824.96x = 127,654,236.48 × 21,277,416.96
  4. Step 4: Simplify right side
    85,102,824.96x = 2,716,152,416,295,403
  5. Step 5: Solve for x
    x = 2,716,152,416,295,403/85,102,824.96
  6. Step 6: Final answer
    x = 31,916,125.20

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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.