Home / 57,447,936.40-86,183,714.40-19,136,945.20

Finding the Fourth Proportional to 57,447,936.40, 86,183,714.40 and 19,136,945.20

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Solution

The fourth proportional to 57,447,936.40, 86,183,714.40 and 19,136,945.20 is: 28,709,351.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,447,936.40 : 86,183,714.40 = 19,136,945.20 : x
  2. Step 2: Convert to fraction form
    57,447,936.40/86,183,714.40 = 19,136,945.20/x
  3. Step 3: Cross multiply
    57,447,936.40x = 86,183,714.40 × 19,136,945.20
  4. Step 4: Simplify right side
    57,447,936.40x = 1,649,293,019,605,251
  5. Step 5: Solve for x
    x = 1,649,293,019,605,251/57,447,936.40
  6. Step 6: Final answer
    x = 28,709,351.86

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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.