Home / 239,577,378.80-330,617,004.90-129,569,091.80

Finding the Fourth Proportional to 239,577,378.80, 330,617,004.90 and 129,569,091.80

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Solution

The fourth proportional to 239,577,378.80, 330,617,004.90 and 129,569,091.80 is: 178,805,466.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,577,378.80 : 330,617,004.90 = 129,569,091.80 : x
  2. Step 2: Convert to fraction form
    239,577,378.80/330,617,004.90 = 129,569,091.80/x
  3. Step 3: Cross multiply
    239,577,378.80x = 330,617,004.90 × 129,569,091.80
  4. Step 4: Simplify right side
    239,577,378.80x = 42,837,745,058,529,144
  5. Step 5: Solve for x
    x = 42,837,745,058,529,144/239,577,378.80
  6. Step 6: Final answer
    x = 178,805,466.83

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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.