Home / 170,829,724.52-256,653,379.90-109,538,965.68

Finding the Fourth Proportional to 170,829,724.52, 256,653,379.90 and 109,538,965.68

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Solution

The fourth proportional to 170,829,724.52, 256,653,379.90 and 109,538,965.68 is: 164,570,573.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,829,724.52 : 256,653,379.90 = 109,538,965.68 : x
  2. Step 2: Convert to fraction form
    170,829,724.52/256,653,379.90 = 109,538,965.68/x
  3. Step 3: Cross multiply
    170,829,724.52x = 256,653,379.90 × 109,538,965.68
  4. Step 4: Simplify right side
    170,829,724.52x = 28,113,545,772,522,104
  5. Step 5: Solve for x
    x = 28,113,545,772,522,104/170,829,724.52
  6. Step 6: Final answer
    x = 164,570,573.72

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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.