Home / 128,770,579.48-193,157,036.89-36,654,281.34

Finding the Fourth Proportional to 128,770,579.48, 193,157,036.89 and 36,654,281.34

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Solution

The fourth proportional to 128,770,579.48, 193,157,036.89 and 36,654,281.34 is: 54,981,754.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,770,579.48 : 193,157,036.89 = 36,654,281.34 : x
  2. Step 2: Convert to fraction form
    128,770,579.48/193,157,036.89 = 36,654,281.34/x
  3. Step 3: Cross multiply
    128,770,579.48x = 193,157,036.89 × 36,654,281.34
  4. Step 4: Simplify right side
    128,770,579.48x = 7,080,032,373,289,035
  5. Step 5: Solve for x
    x = 7,080,032,373,289,035/128,770,579.48
  6. Step 6: Final answer
    x = 54,981,754.39

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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.