Home / 64,222,743.66-96,334,902.81-18,785,456.70

Finding the Fourth Proportional to 64,222,743.66, 96,334,902.81 and 18,785,456.70

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Solution

The fourth proportional to 64,222,743.66, 96,334,902.81 and 18,785,456.70 is: 28,178,415.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,222,743.66 : 96,334,902.81 = 18,785,456.70 : x
  2. Step 2: Convert to fraction form
    64,222,743.66/96,334,902.81 = 18,785,456.70/x
  3. Step 3: Cross multiply
    64,222,743.66x = 96,334,902.81 × 18,785,456.70
  4. Step 4: Simplify right side
    64,222,743.66x = 1,809,695,145,435,963.25
  5. Step 5: Solve for x
    x = 1,809,695,145,435,963.25/64,222,743.66
  6. Step 6: Final answer
    x = 28,178,415.34

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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.