Home / 171,909,456-257,702,083.56-85,566,237

Finding the Fourth Proportional to 171,909,456, 257,702,083.56 and 85,566,237

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Solution

The fourth proportional to 171,909,456, 257,702,083.56 and 85,566,237 is: 128,268,671.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,909,456 : 257,702,083.56 = 85,566,237 : x
  2. Step 2: Convert to fraction form
    171,909,456/257,702,083.56 = 85,566,237/x
  3. Step 3: Cross multiply
    171,909,456x = 257,702,083.56 × 85,566,237
  4. Step 4: Simplify right side
    171,909,456x = 22,050,597,557,288,764
  5. Step 5: Solve for x
    x = 22,050,597,557,288,764/171,909,456
  6. Step 6: Final answer
    x = 128,268,671.60

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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.