Home / 167,553,009.70-251,329,514.55-81,459,567.70

Finding the Fourth Proportional to 167,553,009.70, 251,329,514.55 and 81,459,567.70

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Solution

The fourth proportional to 167,553,009.70, 251,329,514.55 and 81,459,567.70 is: 122,189,351.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,553,009.70 : 251,329,514.55 = 81,459,567.70 : x
  2. Step 2: Convert to fraction form
    167,553,009.70/251,329,514.55 = 81,459,567.70/x
  3. Step 3: Cross multiply
    167,553,009.70x = 251,329,514.55 × 81,459,567.70
  4. Step 4: Simplify right side
    167,553,009.70x = 20,473,193,605,493,860
  5. Step 5: Solve for x
    x = 20,473,193,605,493,860/167,553,009.70
  6. Step 6: Final answer
    x = 122,189,351.55

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1.5x scale

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.