Home / 245,558,266.88-338,858,505.96-139,701,712.64

Finding the Fourth Proportional to 245,558,266.88, 338,858,505.96 and 139,701,712.64

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Solution

The fourth proportional to 245,558,266.88, 338,858,505.96 and 139,701,712.64 is: 192,781,592.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,558,266.88 : 338,858,505.96 = 139,701,712.64 : x
  2. Step 2: Convert to fraction form
    245,558,266.88/338,858,505.96 = 139,701,712.64/x
  3. Step 3: Cross multiply
    245,558,266.88x = 338,858,505.96 × 139,701,712.64
  4. Step 4: Simplify right side
    245,558,266.88x = 47,339,113,625,243,640
  5. Step 5: Solve for x
    x = 47,339,113,625,243,640/245,558,266.88
  6. Step 6: Final answer
    x = 192,781,592.03

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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.