Home / 177,144,057.20-265,716,085.80-81,405,945.20

Finding the Fourth Proportional to 177,144,057.20, 265,716,085.80 and 81,405,945.20

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Solution

The fourth proportional to 177,144,057.20, 265,716,085.80 and 81,405,945.20 is: 122,108,917.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,144,057.20 : 265,716,085.80 = 81,405,945.20 : x
  2. Step 2: Convert to fraction form
    177,144,057.20/265,716,085.80 = 81,405,945.20/x
  3. Step 3: Cross multiply
    177,144,057.20x = 265,716,085.80 × 81,405,945.20
  4. Step 4: Simplify right side
    177,144,057.20x = 21,630,869,119,393,300
  5. Step 5: Solve for x
    x = 21,630,869,119,393,300/177,144,057.20
  6. Step 6: Final answer
    x = 122,108,917.80

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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.