Home / 172,406,107.20-258,609,160.80-107,782,881.60

Finding the Fourth Proportional to 172,406,107.20, 258,609,160.80 and 107,782,881.60

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Solution

The fourth proportional to 172,406,107.20, 258,609,160.80 and 107,782,881.60 is: 161,674,322.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,406,107.20 : 258,609,160.80 = 107,782,881.60 : x
  2. Step 2: Convert to fraction form
    172,406,107.20/258,609,160.80 = 107,782,881.60/x
  3. Step 3: Cross multiply
    172,406,107.20x = 258,609,160.80 × 107,782,881.60
  4. Step 4: Simplify right side
    172,406,107.20x = 27,873,640,559,181,760
  5. Step 5: Solve for x
    x = 27,873,640,559,181,760/172,406,107.20
  6. Step 6: Final answer
    x = 161,674,322.40

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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.