Home / 99,189,138.33-148,642,410.21-73,076,079.49

Finding the Fourth Proportional to 99,189,138.33, 148,642,410.21 and 73,076,079.49

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Solution

The fourth proportional to 99,189,138.33, 148,642,410.21 and 73,076,079.49 is: 109,510,020.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,189,138.33 : 148,642,410.21 = 73,076,079.49 : x
  2. Step 2: Convert to fraction form
    99,189,138.33/148,642,410.21 = 73,076,079.49/x
  3. Step 3: Cross multiply
    99,189,138.33x = 148,642,410.21 × 73,076,079.49
  4. Step 4: Simplify right side
    99,189,138.33x = 10,862,204,583,347,936
  5. Step 5: Solve for x
    x = 10,862,204,583,347,936/99,189,138.33
  6. Step 6: Final answer
    x = 109,510,020.62

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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.