Home / 172,575,773.88-257,918,052.30-125,987,367.98

Finding the Fourth Proportional to 172,575,773.88, 257,918,052.30 and 125,987,367.98

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Solution

The fourth proportional to 172,575,773.88, 257,918,052.30 and 125,987,367.98 is: 188,290,719.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,575,773.88 : 257,918,052.30 = 125,987,367.98 : x
  2. Step 2: Convert to fraction form
    172,575,773.88/257,918,052.30 = 125,987,367.98/x
  3. Step 3: Cross multiply
    172,575,773.88x = 257,918,052.30 × 125,987,367.98
  4. Step 4: Simplify right side
    172,575,773.88x = 32,494,416,562,515,396
  5. Step 5: Solve for x
    x = 32,494,416,562,515,396/172,575,773.88
  6. Step 6: Final answer
    x = 188,290,719.10

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.