Home / 117,893,362.96-162,689,027.16-67,665,849.76

Finding the Fourth Proportional to 117,893,362.96, 162,689,027.16 and 67,665,849.76

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Solution

The fourth proportional to 117,893,362.96, 162,689,027.16 and 67,665,849.76 is: 93,376,683.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,893,362.96 : 162,689,027.16 = 67,665,849.76 : x
  2. Step 2: Convert to fraction form
    117,893,362.96/162,689,027.16 = 67,665,849.76/x
  3. Step 3: Cross multiply
    117,893,362.96x = 162,689,027.16 × 67,665,849.76
  4. Step 4: Simplify right side
    117,893,362.96x = 11,008,491,269,409,120
  5. Step 5: Solve for x
    x = 11,008,491,269,409,120/117,893,362.96
  6. Step 6: Final answer
    x = 93,376,683.75

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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.