Home / 57,163,926.88-78,886,936.55-31,058,880.65

Finding the Fourth Proportional to 57,163,926.88, 78,886,936.55 and 31,058,880.65

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Solution

The fourth proportional to 57,163,926.88, 78,886,936.55 and 31,058,880.65 is: 42,861,645.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,163,926.88 : 78,886,936.55 = 31,058,880.65 : x
  2. Step 2: Convert to fraction form
    57,163,926.88/78,886,936.55 = 31,058,880.65/x
  3. Step 3: Cross multiply
    57,163,926.88x = 78,886,936.55 × 31,058,880.65
  4. Step 4: Simplify right side
    57,163,926.88x = 2,450,139,947,398,644
  5. Step 5: Solve for x
    x = 2,450,139,947,398,644/57,163,926.88
  6. Step 6: Final answer
    x = 42,861,645.12

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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.