Home / 145,058,721.70-217,588,082.55-136,548,667.30

Finding the Fourth Proportional to 145,058,721.70, 217,588,082.55 and 136,548,667.30

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Solution

The fourth proportional to 145,058,721.70, 217,588,082.55 and 136,548,667.30 is: 204,823,000.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,058,721.70 : 217,588,082.55 = 136,548,667.30 : x
  2. Step 2: Convert to fraction form
    145,058,721.70/217,588,082.55 = 136,548,667.30/x
  3. Step 3: Cross multiply
    145,058,721.70x = 217,588,082.55 × 136,548,667.30
  4. Step 4: Simplify right side
    145,058,721.70x = 29,711,362,692,564,888
  5. Step 5: Solve for x
    x = 29,711,362,692,564,888/145,058,721.70
  6. Step 6: Final answer
    x = 204,823,000.95

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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.