Home / 106,121,355.68-159,172,889.52-64,611,472.16

Finding the Fourth Proportional to 106,121,355.68, 159,172,889.52 and 64,611,472.16

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Solution

The fourth proportional to 106,121,355.68, 159,172,889.52 and 64,611,472.16 is: 96,911,640.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,121,355.68 : 159,172,889.52 = 64,611,472.16 : x
  2. Step 2: Convert to fraction form
    106,121,355.68/159,172,889.52 = 64,611,472.16/x
  3. Step 3: Cross multiply
    106,121,355.68x = 159,172,889.52 × 64,611,472.16
  4. Step 4: Simplify right side
    106,121,355.68x = 10,284,394,719,848,236
  5. Step 5: Solve for x
    x = 10,284,394,719,848,236/106,121,355.68
  6. Step 6: Final answer
    x = 96,911,640.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.