Home / 118,593,339.96-177,658,331.22-81,698,719.80

Finding the Fourth Proportional to 118,593,339.96, 177,658,331.22 and 81,698,719.80

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Solution

The fourth proportional to 118,593,339.96, 177,658,331.22 and 81,698,719.80 is: 122,388,476.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,593,339.96 : 177,658,331.22 = 81,698,719.80 : x
  2. Step 2: Convert to fraction form
    118,593,339.96/177,658,331.22 = 81,698,719.80/x
  3. Step 3: Cross multiply
    118,593,339.96x = 177,658,331.22 × 81,698,719.80
  4. Step 4: Simplify right side
    118,593,339.96x = 14,514,458,222,478,372
  5. Step 5: Solve for x
    x = 14,514,458,222,478,372/118,593,339.96
  6. Step 6: Final answer
    x = 122,388,476.68

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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.