Home / 101,997,099.66-140,751,889.47-55,586,354.70

Finding the Fourth Proportional to 101,997,099.66, 140,751,889.47 and 55,586,354.70

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Solution

The fourth proportional to 101,997,099.66, 140,751,889.47 and 55,586,354.70 is: 76,706,930.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,997,099.66 : 140,751,889.47 = 55,586,354.70 : x
  2. Step 2: Convert to fraction form
    101,997,099.66/140,751,889.47 = 55,586,354.70/x
  3. Step 3: Cross multiply
    101,997,099.66x = 140,751,889.47 × 55,586,354.70
  4. Step 4: Simplify right side
    101,997,099.66x = 7,823,884,452,774,615
  5. Step 5: Solve for x
    x = 7,823,884,452,774,615/101,997,099.66
  6. Step 6: Final answer
    x = 76,706,930.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.