Home / 69,672,258.48-96,143,951.52-38,730,232.56

Finding the Fourth Proportional to 69,672,258.48, 96,143,951.52 and 38,730,232.56

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Solution

The fourth proportional to 69,672,258.48, 96,143,951.52 and 38,730,232.56 is: 53,445,627.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,672,258.48 : 96,143,951.52 = 38,730,232.56 : x
  2. Step 2: Convert to fraction form
    69,672,258.48/96,143,951.52 = 38,730,232.56/x
  3. Step 3: Cross multiply
    69,672,258.48x = 96,143,951.52 × 38,730,232.56
  4. Step 4: Simplify right side
    69,672,258.48x = 3,723,677,601,606,965.50
  5. Step 5: Solve for x
    x = 3,723,677,601,606,965.50/69,672,258.48
  6. Step 6: Final answer
    x = 53,445,627.90

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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.