Home / 57,187,950.55-78,920,171.00-31,082,460.55

Finding the Fourth Proportional to 57,187,950.55, 78,920,171.00 and 31,082,460.55

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Solution

The fourth proportional to 57,187,950.55, 78,920,171.00 and 31,082,460.55 is: 42,894,229.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,187,950.55 : 78,920,171.00 = 31,082,460.55 : x
  2. Step 2: Convert to fraction form
    57,187,950.55/78,920,171.00 = 31,082,460.55/x
  3. Step 3: Cross multiply
    57,187,950.55x = 78,920,171.00 × 31,082,460.55
  4. Step 4: Simplify right side
    57,187,950.55x = 2,453,033,101,470,600.50
  5. Step 5: Solve for x
    x = 2,453,033,101,470,600.50/57,187,950.55
  6. Step 6: Final answer
    x = 42,894,229.96

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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.