Home / 86,728,008.96-130,058,945.28-29,204,835.84

Finding the Fourth Proportional to 86,728,008.96, 130,058,945.28 and 29,204,835.84

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Solution

The fourth proportional to 86,728,008.96, 130,058,945.28 and 29,204,835.84 is: 43,796,118.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,728,008.96 : 130,058,945.28 = 29,204,835.84 : x
  2. Step 2: Convert to fraction form
    86,728,008.96/130,058,945.28 = 29,204,835.84/x
  3. Step 3: Cross multiply
    86,728,008.96x = 130,058,945.28 × 29,204,835.84
  4. Step 4: Simplify right side
    86,728,008.96x = 3,798,350,146,425,943
  5. Step 5: Solve for x
    x = 3,798,350,146,425,943/86,728,008.96
  6. Step 6: Final answer
    x = 43,796,118.37

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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.