Home / 151,784,734.89-209,463,406.02-82,169,949.69

Finding the Fourth Proportional to 151,784,734.89, 209,463,406.02 and 82,169,949.69

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Solution

The fourth proportional to 151,784,734.89, 209,463,406.02 and 82,169,949.69 is: 113,394,786.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,784,734.89 : 209,463,406.02 = 82,169,949.69 : x
  2. Step 2: Convert to fraction form
    151,784,734.89/209,463,406.02 = 82,169,949.69/x
  3. Step 3: Cross multiply
    151,784,734.89x = 209,463,406.02 × 82,169,949.69
  4. Step 4: Simplify right side
    151,784,734.89x = 17,211,597,534,559,444
  5. Step 5: Solve for x
    x = 17,211,597,534,559,444/151,784,734.89
  6. Step 6: Final answer
    x = 113,394,786.02

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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.