Home / 145,058,663.70-217,587,995.55-136,548,609.30

Finding the Fourth Proportional to 145,058,663.70, 217,587,995.55 and 136,548,609.30

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Solution

The fourth proportional to 145,058,663.70, 217,587,995.55 and 136,548,609.30 is: 204,822,913.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,058,663.70 : 217,587,995.55 = 136,548,609.30 : x
  2. Step 2: Convert to fraction form
    145,058,663.70/217,587,995.55 = 136,548,609.30/x
  3. Step 3: Cross multiply
    145,058,663.70x = 217,587,995.55 × 136,548,609.30
  4. Step 4: Simplify right side
    145,058,663.70x = 29,711,338,192,727,092
  5. Step 5: Solve for x
    x = 29,711,338,192,727,092/145,058,663.70
  6. Step 6: Final answer
    x = 204,822,913.95

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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.