Home / 57,887,766.92-79,885,275.51-31,783,975.49

Finding the Fourth Proportional to 57,887,766.92, 79,885,275.51 and 31,783,975.49

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Solution

The fourth proportional to 57,887,766.92, 79,885,275.51 and 31,783,975.49 is: 43,861,972.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,887,766.92 : 79,885,275.51 = 31,783,975.49 : x
  2. Step 2: Convert to fraction form
    57,887,766.92/79,885,275.51 = 31,783,975.49/x
  3. Step 3: Cross multiply
    57,887,766.92x = 79,885,275.51 × 31,783,975.49
  4. Step 4: Simplify right side
    57,887,766.92x = 2,539,071,638,422,311
  5. Step 5: Solve for x
    x = 2,539,071,638,422,311/57,887,766.92
  6. Step 6: Final answer
    x = 43,861,972.46

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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.