Home / 161,642,313.20-242,463,469.80-70,943,049.20

Finding the Fourth Proportional to 161,642,313.20, 242,463,469.80 and 70,943,049.20

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Solution

The fourth proportional to 161,642,313.20, 242,463,469.80 and 70,943,049.20 is: 106,414,573.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,642,313.20 : 242,463,469.80 = 70,943,049.20 : x
  2. Step 2: Convert to fraction form
    161,642,313.20/242,463,469.80 = 70,943,049.20/x
  3. Step 3: Cross multiply
    161,642,313.20x = 242,463,469.80 × 70,943,049.20
  4. Step 4: Simplify right side
    161,642,313.20x = 17,201,097,867,224,116
  5. Step 5: Solve for x
    x = 17,201,097,867,224,116/161,642,313.20
  6. Step 6: Final answer
    x = 106,414,573.80

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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.