Home / 117,191,694.28-161,709,673.44-64,254,471

Finding the Fourth Proportional to 117,191,694.28, 161,709,673.44 and 64,254,471

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Solution

The fourth proportional to 117,191,694.28, 161,709,673.44 and 64,254,471 is: 88,663,019.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,191,694.28 : 161,709,673.44 = 64,254,471 : x
  2. Step 2: Convert to fraction form
    117,191,694.28/161,709,673.44 = 64,254,471/x
  3. Step 3: Cross multiply
    117,191,694.28x = 161,709,673.44 × 64,254,471
  4. Step 4: Simplify right side
    117,191,694.28x = 10,390,569,522,469,950
  5. Step 5: Solve for x
    x = 10,390,569,522,469,950/117,191,694.28
  6. Step 6: Final answer
    x = 88,663,019.90

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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.