Home / 151,781,697.38-209,458,809.96-82,167,076.02

Finding the Fourth Proportional to 151,781,697.38, 209,458,809.96 and 82,167,076.02

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Solution

The fourth proportional to 151,781,697.38, 209,458,809.96 and 82,167,076.02 is: 113,390,601.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,781,697.38 : 209,458,809.96 = 82,167,076.02 : x
  2. Step 2: Convert to fraction form
    151,781,697.38/209,458,809.96 = 82,167,076.02/x
  3. Step 3: Cross multiply
    151,781,697.38x = 209,458,809.96 × 82,167,076.02
  4. Step 4: Simplify right side
    151,781,697.38x = 17,210,617,961,042,052
  5. Step 5: Solve for x
    x = 17,210,617,961,042,052/151,781,697.38
  6. Step 6: Final answer
    x = 113,390,601.49

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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.