Home / 123,777,577.98-185,359,909.33-90,910,208.45

Finding the Fourth Proportional to 123,777,577.98, 185,359,909.33 and 90,910,208.45

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Solution

The fourth proportional to 123,777,577.98, 185,359,909.33 and 90,910,208.45 is: 136,140,230.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,777,577.98 : 185,359,909.33 = 90,910,208.45 : x
  2. Step 2: Convert to fraction form
    123,777,577.98/185,359,909.33 = 90,910,208.45/x
  3. Step 3: Cross multiply
    123,777,577.98x = 185,359,909.33 × 90,910,208.45
  4. Step 4: Simplify right side
    123,777,577.98x = 16,851,107,994,738,926
  5. Step 5: Solve for x
    x = 16,851,107,994,738,926/123,777,577.98
  6. Step 6: Final answer
    x = 136,140,230.48

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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.