Home / 71,058,775.82-106,598,331.45-21,878,790.11

Finding the Fourth Proportional to 71,058,775.82, 106,598,331.45 and 21,878,790.11

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Solution

The fourth proportional to 71,058,775.82, 106,598,331.45 and 21,878,790.11 is: 32,821,315.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,058,775.82 : 106,598,331.45 = 21,878,790.11 : x
  2. Step 2: Convert to fraction form
    71,058,775.82/106,598,331.45 = 21,878,790.11/x
  3. Step 3: Cross multiply
    71,058,775.82x = 106,598,331.45 × 21,878,790.11
  4. Step 4: Simplify right side
    71,058,775.82x = 2,332,242,519,337,770.50
  5. Step 5: Solve for x
    x = 2,332,242,519,337,770.50/71,058,775.82
  6. Step 6: Final answer
    x = 32,821,315.77

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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.