Home / 210,047,591.60-315,059,997.96-64,481,177.78

Finding the Fourth Proportional to 210,047,591.60, 315,059,997.96 and 64,481,177.78

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Solution

The fourth proportional to 210,047,591.60, 315,059,997.96 and 64,481,177.78 is: 96,718,270.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,047,591.60 : 315,059,997.96 = 64,481,177.78 : x
  2. Step 2: Convert to fraction form
    210,047,591.60/315,059,997.96 = 64,481,177.78/x
  3. Step 3: Cross multiply
    210,047,591.60x = 315,059,997.96 × 64,481,177.78
  4. Step 4: Simplify right side
    210,047,591.60x = 20,315,439,738,249,896
  5. Step 5: Solve for x
    x = 20,315,439,738,249,896/210,047,591.60
  6. Step 6: Final answer
    x = 96,718,270.29

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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.