Home / 111,481,743.34-167,130,551.10-49,188,709.74

Finding the Fourth Proportional to 111,481,743.34, 167,130,551.10 and 49,188,709.74

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Solution

The fourth proportional to 111,481,743.34, 167,130,551.10 and 49,188,709.74 is: 73,742,443.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,481,743.34 : 167,130,551.10 = 49,188,709.74 : x
  2. Step 2: Convert to fraction form
    111,481,743.34/167,130,551.10 = 49,188,709.74/x
  3. Step 3: Cross multiply
    111,481,743.34x = 167,130,551.10 × 49,188,709.74
  4. Step 4: Simplify right side
    111,481,743.34x = 8,220,936,166,744,138
  5. Step 5: Solve for x
    x = 8,220,936,166,744,138/111,481,743.34
  6. Step 6: Final answer
    x = 73,742,443.56

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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.