Home / 113,538,318.06-156,682,941.58-61,327,353.66

Finding the Fourth Proportional to 113,538,318.06, 156,682,941.58 and 61,327,353.66

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Solution

The fourth proportional to 113,538,318.06, 156,682,941.58 and 61,327,353.66 is: 84,631,781.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,538,318.06 : 156,682,941.58 = 61,327,353.66 : x
  2. Step 2: Convert to fraction form
    113,538,318.06/156,682,941.58 = 61,327,353.66/x
  3. Step 3: Cross multiply
    113,538,318.06x = 156,682,941.58 × 61,327,353.66
  4. Step 4: Simplify right side
    113,538,318.06x = 9,608,950,170,765,780
  5. Step 5: Solve for x
    x = 9,608,950,170,765,780/113,538,318.06
  6. Step 6: Final answer
    x = 84,631,781.89

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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.