Home / 85,008,305.60-127,512,458.40-50,996,081.60

Finding the Fourth Proportional to 85,008,305.60, 127,512,458.40 and 50,996,081.60

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Solution

The fourth proportional to 85,008,305.60, 127,512,458.40 and 50,996,081.60 is: 76,494,122.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,008,305.60 : 127,512,458.40 = 50,996,081.60 : x
  2. Step 2: Convert to fraction form
    85,008,305.60/127,512,458.40 = 50,996,081.60/x
  3. Step 3: Cross multiply
    85,008,305.60x = 127,512,458.40 × 50,996,081.60
  4. Step 4: Simplify right side
    85,008,305.60x = 6,502,635,733,583,006
  5. Step 5: Solve for x
    x = 6,502,635,733,583,006/85,008,305.60
  6. Step 6: Final answer
    x = 76,494,122.40

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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.