Home / 52,129,965.26-71,918,872.56-29,790,966.74

Finding the Fourth Proportional to 52,129,965.26, 71,918,872.56 and 29,790,966.74

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Solution

The fourth proportional to 52,129,965.26, 71,918,872.56 and 29,790,966.74 is: 41,099,830.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,129,965.26 : 71,918,872.56 = 29,790,966.74 : x
  2. Step 2: Convert to fraction form
    52,129,965.26/71,918,872.56 = 29,790,966.74/x
  3. Step 3: Cross multiply
    52,129,965.26x = 71,918,872.56 × 29,790,966.74
  4. Step 4: Simplify right side
    52,129,965.26x = 2,142,532,740,413,258.50
  5. Step 5: Solve for x
    x = 2,142,532,740,413,258.50/52,129,965.26
  6. Step 6: Final answer
    x = 41,099,830.58

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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.