Home / 145,058,427.20-217,587,640.80-136,548,372.80

Finding the Fourth Proportional to 145,058,427.20, 217,587,640.80 and 136,548,372.80

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Solution

The fourth proportional to 145,058,427.20, 217,587,640.80 and 136,548,372.80 is: 204,822,559.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,058,427.20 : 217,587,640.80 = 136,548,372.80 : x
  2. Step 2: Convert to fraction form
    145,058,427.20/217,587,640.80 = 136,548,372.80/x
  3. Step 3: Cross multiply
    145,058,427.20x = 217,587,640.80 × 136,548,372.80
  4. Step 4: Simplify right side
    145,058,427.20x = 29,711,238,292,630,896
  5. Step 5: Solve for x
    x = 29,711,238,292,630,896/145,058,427.20
  6. Step 6: Final answer
    x = 204,822,559.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.