Home / 64,153,171.44-96,224,921.64-20,432,166.48

Finding the Fourth Proportional to 64,153,171.44, 96,224,921.64 and 20,432,166.48

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Solution

The fourth proportional to 64,153,171.44, 96,224,921.64 and 20,432,166.48 is: 30,646,709.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,153,171.44 : 96,224,921.64 = 20,432,166.48 : x
  2. Step 2: Convert to fraction form
    64,153,171.44/96,224,921.64 = 20,432,166.48/x
  3. Step 3: Cross multiply
    64,153,171.44x = 96,224,921.64 × 20,432,166.48
  4. Step 4: Simplify right side
    64,153,171.44x = 1,966,083,618,473,434.75
  5. Step 5: Solve for x
    x = 1,966,083,618,473,434.75/64,153,171.44
  6. Step 6: Final answer
    x = 30,646,709.65

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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.