Home / 177,147,748.30-265,721,622.45-81,409,636.30

Finding the Fourth Proportional to 177,147,748.30, 265,721,622.45 and 81,409,636.30

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Solution

The fourth proportional to 177,147,748.30, 265,721,622.45 and 81,409,636.30 is: 122,114,454.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,147,748.30 : 265,721,622.45 = 81,409,636.30 : x
  2. Step 2: Convert to fraction form
    177,147,748.30/265,721,622.45 = 81,409,636.30/x
  3. Step 3: Cross multiply
    177,147,748.30x = 265,721,622.45 × 81,409,636.30
  4. Step 4: Simplify right side
    177,147,748.30x = 21,632,300,640,700,412
  5. Step 5: Solve for x
    x = 21,632,300,640,700,412/177,147,748.30
  6. Step 6: Final answer
    x = 122,114,454.45

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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.