Home / 111,769,928.70-167,654,893.05-106,479,138.30

Finding the Fourth Proportional to 111,769,928.70, 167,654,893.05 and 106,479,138.30

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Solution

The fourth proportional to 111,769,928.70, 167,654,893.05 and 106,479,138.30 is: 159,718,707.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,769,928.70 : 167,654,893.05 = 106,479,138.30 : x
  2. Step 2: Convert to fraction form
    111,769,928.70/167,654,893.05 = 106,479,138.30/x
  3. Step 3: Cross multiply
    111,769,928.70x = 167,654,893.05 × 106,479,138.30
  4. Step 4: Simplify right side
    111,769,928.70x = 17,851,748,543,742,660
  5. Step 5: Solve for x
    x = 17,851,748,543,742,660/111,769,928.70
  6. Step 6: Final answer
    x = 159,718,707.45

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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.