Home / 159,477,058-220,078,496.10-86,138,200

Finding the Fourth Proportional to 159,477,058, 220,078,496.10 and 86,138,200

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Solution

The fourth proportional to 159,477,058, 220,078,496.10 and 86,138,200 is: 118,870,800.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,477,058 : 220,078,496.10 = 86,138,200 : x
  2. Step 2: Convert to fraction form
    159,477,058/220,078,496.10 = 86,138,200/x
  3. Step 3: Cross multiply
    159,477,058x = 220,078,496.10 × 86,138,200
  4. Step 4: Simplify right side
    159,477,058x = 18,957,165,512,761,020
  5. Step 5: Solve for x
    x = 18,957,165,512,761,020/159,477,058
  6. Step 6: Final answer
    x = 118,870,800.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.