Home / 71,058,010.20-106,587,015.30-66,753,338.10

Finding the Fourth Proportional to 71,058,010.20, 106,587,015.30 and 66,753,338.10

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Solution

The fourth proportional to 71,058,010.20, 106,587,015.30 and 66,753,338.10 is: 100,130,007.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,058,010.20 : 106,587,015.30 = 66,753,338.10 : x
  2. Step 2: Convert to fraction form
    71,058,010.20/106,587,015.30 = 66,753,338.10/x
  3. Step 3: Cross multiply
    71,058,010.20x = 106,587,015.30 × 66,753,338.10
  4. Step 4: Simplify right side
    71,058,010.20x = 7,115,039,069,390,773
  5. Step 5: Solve for x
    x = 7,115,039,069,390,773/71,058,010.20
  6. Step 6: Final answer
    x = 100,130,007.15

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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.