Home / 139,026,777.96-191,865,921.66-77,147,116.52

Finding the Fourth Proportional to 139,026,777.96, 191,865,921.66 and 77,147,116.52

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Solution

The fourth proportional to 139,026,777.96, 191,865,921.66 and 77,147,116.52 is: 106,467,997.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,026,777.96 : 191,865,921.66 = 77,147,116.52 : x
  2. Step 2: Convert to fraction form
    139,026,777.96/191,865,921.66 = 77,147,116.52/x
  3. Step 3: Cross multiply
    139,026,777.96x = 191,865,921.66 × 77,147,116.52
  4. Step 4: Simplify right side
    139,026,777.96x = 14,801,902,615,233,058
  5. Step 5: Solve for x
    x = 14,801,902,615,233,058/139,026,777.96
  6. Step 6: Final answer
    x = 106,467,997.26

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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.