Home / 243,173,863.39-364,783,218.57-79,412,478.22

Finding the Fourth Proportional to 243,173,863.39, 364,783,218.57 and 79,412,478.22

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Solution

The fourth proportional to 243,173,863.39, 364,783,218.57 and 79,412,478.22 is: 119,126,040.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,173,863.39 : 364,783,218.57 = 79,412,478.22 : x
  2. Step 2: Convert to fraction form
    243,173,863.39/364,783,218.57 = 79,412,478.22/x
  3. Step 3: Cross multiply
    243,173,863.39x = 364,783,218.57 × 79,412,478.22
  4. Step 4: Simplify right side
    243,173,863.39x = 28,968,339,399,711,624
  5. Step 5: Solve for x
    x = 28,968,339,399,711,624/243,173,863.39
  6. Step 6: Final answer
    x = 119,126,040.09

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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.