Home / 149,181,046.19-205,842,514.70-83,099,899.97

Finding the Fourth Proportional to 149,181,046.19, 205,842,514.70 and 83,099,899.97

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Solution

The fourth proportional to 149,181,046.19, 205,842,514.70 and 83,099,899.97 is: 114,662,638.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,181,046.19 : 205,842,514.70 = 83,099,899.97 : x
  2. Step 2: Convert to fraction form
    149,181,046.19/205,842,514.70 = 83,099,899.97/x
  3. Step 3: Cross multiply
    149,181,046.19x = 205,842,514.70 × 83,099,899.97
  4. Step 4: Simplify right side
    149,181,046.19x = 17,105,492,380,470,452
  5. Step 5: Solve for x
    x = 17,105,492,380,470,452/149,181,046.19
  6. Step 6: Final answer
    x = 114,662,638.57

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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.