Home / 290,439,072.50-400,805,928.26-160,058,880.50

Finding the Fourth Proportional to 290,439,072.50, 400,805,928.26 and 160,058,880.50

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Solution

The fourth proportional to 290,439,072.50, 400,805,928.26 and 160,058,880.50 is: 220,881,259.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,439,072.50 : 400,805,928.26 = 160,058,880.50 : x
  2. Step 2: Convert to fraction form
    290,439,072.50/400,805,928.26 = 160,058,880.50/x
  3. Step 3: Cross multiply
    290,439,072.50x = 400,805,928.26 × 160,058,880.50
  4. Step 4: Simplify right side
    290,439,072.50x = 64,152,548,175,058,912
  5. Step 5: Solve for x
    x = 64,152,548,175,058,912/290,439,072.50
  6. Step 6: Final answer
    x = 220,881,259.61

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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.