Home / 57,246,319.05-78,999,860.50-31,140,774.61

Finding the Fourth Proportional to 57,246,319.05, 78,999,860.50 and 31,140,774.61

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Solution

The fourth proportional to 57,246,319.05, 78,999,860.50 and 31,140,774.61 is: 42,974,236.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,246,319.05 : 78,999,860.50 = 31,140,774.61 : x
  2. Step 2: Convert to fraction form
    57,246,319.05/78,999,860.50 = 31,140,774.61/x
  3. Step 3: Cross multiply
    57,246,319.05x = 78,999,860.50 × 31,140,774.61
  4. Step 4: Simplify right side
    57,246,319.05x = 2,460,116,850,396,131.50
  5. Step 5: Solve for x
    x = 2,460,116,850,396,131.50/57,246,319.05
  6. Step 6: Final answer
    x = 42,974,236.44

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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.