Home / 117,327,167.37-161,903,948.45-65,116,238.40

Finding the Fourth Proportional to 117,327,167.37, 161,903,948.45 and 65,116,238.40

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Solution

The fourth proportional to 117,327,167.37, 161,903,948.45 and 65,116,238.40 is: 89,856,222.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,327,167.37 : 161,903,948.45 = 65,116,238.40 : x
  2. Step 2: Convert to fraction form
    117,327,167.37/161,903,948.45 = 65,116,238.40/x
  3. Step 3: Cross multiply
    117,327,167.37x = 161,903,948.45 × 65,116,238.40
  4. Step 4: Simplify right side
    117,327,167.37x = 10,542,576,104,845,928
  5. Step 5: Solve for x
    x = 10,542,576,104,845,928/117,327,167.37
  6. Step 6: Final answer
    x = 89,856,222.91

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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.