Home / 113,979,890.34-157,292,383.22-61,768,926.02

Finding the Fourth Proportional to 113,979,890.34, 157,292,383.22 and 61,768,926.02

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Solution

The fourth proportional to 113,979,890.34, 157,292,383.22 and 61,768,926.02 is: 85,241,190.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,979,890.34 : 157,292,383.22 = 61,768,926.02 : x
  2. Step 2: Convert to fraction form
    113,979,890.34/157,292,383.22 = 61,768,926.02/x
  3. Step 3: Cross multiply
    113,979,890.34x = 157,292,383.22 × 61,768,926.02
  4. Step 4: Simplify right side
    113,979,890.34x = 9,715,781,581,530,364
  5. Step 5: Solve for x
    x = 9,715,781,581,530,364/113,979,890.34
  6. Step 6: Final answer
    x = 85,241,190.81

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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.