Home / 245,057,949.72-338,187,057.66-135,056,748.60

Finding the Fourth Proportional to 245,057,949.72, 338,187,057.66 and 135,056,748.60

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Solution

The fourth proportional to 245,057,949.72, 338,187,057.66 and 135,056,748.60 is: 186,382,218.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,057,949.72 : 338,187,057.66 = 135,056,748.60 : x
  2. Step 2: Convert to fraction form
    245,057,949.72/338,187,057.66 = 135,056,748.60/x
  3. Step 3: Cross multiply
    245,057,949.72x = 338,187,057.66 × 135,056,748.60
  4. Step 4: Simplify right side
    245,057,949.72x = 45,674,444,426,160,328
  5. Step 5: Solve for x
    x = 45,674,444,426,160,328/245,057,949.72
  6. Step 6: Final answer
    x = 186,382,218.89

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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.