Home / 196,731,245.51-293,821,379.28-178,250,266.21

Finding the Fourth Proportional to 196,731,245.51, 293,821,379.28 and 178,250,266.21

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Solution

The fourth proportional to 196,731,245.51, 293,821,379.28 and 178,250,266.21 is: 266,219,730.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,731,245.51 : 293,821,379.28 = 178,250,266.21 : x
  2. Step 2: Convert to fraction form
    196,731,245.51/293,821,379.28 = 178,250,266.21/x
  3. Step 3: Cross multiply
    196,731,245.51x = 293,821,379.28 × 178,250,266.21
  4. Step 4: Simplify right side
    196,731,245.51x = 52,373,739,072,489,016
  5. Step 5: Solve for x
    x = 52,373,739,072,489,016/196,731,245.51
  6. Step 6: Final answer
    x = 266,219,730.05

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.