Home / 117,412,245.74-162,030,841.96-64,493,843.40

Finding the Fourth Proportional to 117,412,245.74, 162,030,841.96 and 64,493,843.40

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Solution

The fourth proportional to 117,412,245.74, 162,030,841.96 and 64,493,843.40 is: 89,002,571.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,412,245.74 : 162,030,841.96 = 64,493,843.40 : x
  2. Step 2: Convert to fraction form
    117,412,245.74/162,030,841.96 = 64,493,843.40/x
  3. Step 3: Cross multiply
    117,412,245.74x = 162,030,841.96 × 64,493,843.40
  4. Step 4: Simplify right side
    117,412,245.74x = 10,449,991,747,338,390
  5. Step 5: Solve for x
    x = 10,449,991,747,338,390/117,412,245.74
  6. Step 6: Final answer
    x = 89,002,571.08

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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.