Home / 57,882,739.80-79,879,116.80-31,779,663.96

Finding the Fourth Proportional to 57,882,739.80, 79,879,116.80 and 31,779,663.96

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Solution

The fourth proportional to 57,882,739.80, 79,879,116.80 and 31,779,663.96 is: 43,856,450.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,882,739.80 : 79,879,116.80 = 31,779,663.96 : x
  2. Step 2: Convert to fraction form
    57,882,739.80/79,879,116.80 = 31,779,663.96/x
  3. Step 3: Cross multiply
    57,882,739.80x = 79,879,116.80 × 31,779,663.96
  4. Step 4: Simplify right side
    57,882,739.80x = 2,538,531,489,325,590.50
  5. Step 5: Solve for x
    x = 2,538,531,489,325,590.50/57,882,739.80
  6. Step 6: Final answer
    x = 43,856,450.09

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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.