Home / 30,511,051.40-45,766,577.10-16,128,561.80

Finding the Fourth Proportional to 30,511,051.40, 45,766,577.10 and 16,128,561.80

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Solution

The fourth proportional to 30,511,051.40, 45,766,577.10 and 16,128,561.80 is: 24,192,842.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,511,051.40 : 45,766,577.10 = 16,128,561.80 : x
  2. Step 2: Convert to fraction form
    30,511,051.40/45,766,577.10 = 16,128,561.80/x
  3. Step 3: Cross multiply
    30,511,051.40x = 45,766,577.10 × 16,128,561.80
  4. Step 4: Simplify right side
    30,511,051.40x = 738,149,067,131,814.88
  5. Step 5: Solve for x
    x = 738,149,067,131,814.88/30,511,051.40
  6. Step 6: Final answer
    x = 24,192,842.70

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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.