Home / 77,058,044.20-115,587,066.30-51,511,292.20

Finding the Fourth Proportional to 77,058,044.20, 115,587,066.30 and 51,511,292.20

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Solution

The fourth proportional to 77,058,044.20, 115,587,066.30 and 51,511,292.20 is: 77,266,938.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,058,044.20 : 115,587,066.30 = 51,511,292.20 : x
  2. Step 2: Convert to fraction form
    77,058,044.20/115,587,066.30 = 51,511,292.20/x
  3. Step 3: Cross multiply
    77,058,044.20x = 115,587,066.30 × 51,511,292.20
  4. Step 4: Simplify right side
    77,058,044.20x = 5,954,039,146,720,073
  5. Step 5: Solve for x
    x = 5,954,039,146,720,073/77,058,044.20
  6. Step 6: Final answer
    x = 77,266,938.30

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Similar ratio
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1.5x scale

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.