Home / 145,058,699.70-217,588,049.55-136,548,645.30

Finding the Fourth Proportional to 145,058,699.70, 217,588,049.55 and 136,548,645.30

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Solution

The fourth proportional to 145,058,699.70, 217,588,049.55 and 136,548,645.30 is: 204,822,967.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,058,699.70 : 217,588,049.55 = 136,548,645.30 : x
  2. Step 2: Convert to fraction form
    145,058,699.70/217,588,049.55 = 136,548,645.30/x
  3. Step 3: Cross multiply
    145,058,699.70x = 217,588,049.55 × 136,548,645.30
  4. Step 4: Simplify right side
    145,058,699.70x = 29,711,353,399,521,780
  5. Step 5: Solve for x
    x = 29,711,353,399,521,780/145,058,699.70
  6. Step 6: Final answer
    x = 204,822,967.95

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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.