Home / 223,236,996.92-308,070,637.02-122,769,404.48

Finding the Fourth Proportional to 223,236,996.92, 308,070,637.02 and 122,769,404.48

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Solution

The fourth proportional to 223,236,996.92, 308,070,637.02 and 122,769,404.48 is: 169,423,747.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,236,996.92 : 308,070,637.02 = 122,769,404.48 : x
  2. Step 2: Convert to fraction form
    223,236,996.92/308,070,637.02 = 122,769,404.48/x
  3. Step 3: Cross multiply
    223,236,996.92x = 308,070,637.02 × 122,769,404.48
  4. Step 4: Simplify right side
    223,236,996.92x = 37,821,648,644,719,640
  5. Step 5: Solve for x
    x = 37,821,648,644,719,640/223,236,996.92
  6. Step 6: Final answer
    x = 169,423,747.71

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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.