Home / 68,422,796.42-94,399,796.10-51,885,693.86

Finding the Fourth Proportional to 68,422,796.42, 94,399,796.10 and 51,885,693.86

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Solution

The fourth proportional to 68,422,796.42, 94,399,796.10 and 51,885,693.86 is: 71,584,313.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,422,796.42 : 94,399,796.10 = 51,885,693.86 : x
  2. Step 2: Convert to fraction form
    68,422,796.42/94,399,796.10 = 51,885,693.86/x
  3. Step 3: Cross multiply
    68,422,796.42x = 94,399,796.10 × 51,885,693.86
  4. Step 4: Simplify right side
    68,422,796.42x = 4,897,998,921,127,021
  5. Step 5: Solve for x
    x = 4,897,998,921,127,021/68,422,796.42
  6. Step 6: Final answer
    x = 71,584,313.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.