Home / 57,555,779.69-79,427,182.43-31,450,296.98

Finding the Fourth Proportional to 57,555,779.69, 79,427,182.43 and 31,450,296.98

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Solution

The fourth proportional to 57,555,779.69, 79,427,182.43 and 31,450,296.98 is: 43,401,522.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,555,779.69 : 79,427,182.43 = 31,450,296.98 : x
  2. Step 2: Convert to fraction form
    57,555,779.69/79,427,182.43 = 31,450,296.98/x
  3. Step 3: Cross multiply
    57,555,779.69x = 79,427,182.43 × 31,450,296.98
  4. Step 4: Simplify right side
    57,555,779.69x = 2,498,008,475,708,138.50
  5. Step 5: Solve for x
    x = 2,498,008,475,708,138.50/57,555,779.69
  6. Step 6: Final answer
    x = 43,401,522.65

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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.