Home / 57,187,950.80-78,920,171.35-31,082,460.80

Finding the Fourth Proportional to 57,187,950.80, 78,920,171.35 and 31,082,460.80

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Solution

The fourth proportional to 57,187,950.80, 78,920,171.35 and 31,082,460.80 is: 42,894,230.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,187,950.80 : 78,920,171.35 = 31,082,460.80 : x
  2. Step 2: Convert to fraction form
    57,187,950.80/78,920,171.35 = 31,082,460.80/x
  3. Step 3: Cross multiply
    57,187,950.80x = 78,920,171.35 × 31,082,460.80
  4. Step 4: Simplify right side
    57,187,950.80x = 2,453,033,131,962,945.50
  5. Step 5: Solve for x
    x = 2,453,033,131,962,945.50/57,187,950.80
  6. Step 6: Final answer
    x = 42,894,230.30

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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.