Home / 177,147,523.80-265,721,285.70-80,106,397.20

Finding the Fourth Proportional to 177,147,523.80, 265,721,285.70 and 80,106,397.20

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Solution

The fourth proportional to 177,147,523.80, 265,721,285.70 and 80,106,397.20 is: 120,159,595.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,147,523.80 : 265,721,285.70 = 80,106,397.20 : x
  2. Step 2: Convert to fraction form
    177,147,523.80/265,721,285.70 = 80,106,397.20/x
  3. Step 3: Cross multiply
    177,147,523.80x = 265,721,285.70 × 80,106,397.20
  4. Step 4: Simplify right side
    177,147,523.80x = 21,285,974,856,778,880
  5. Step 5: Solve for x
    x = 21,285,974,856,778,880/177,147,523.80
  6. Step 6: Final answer
    x = 120,159,595.80

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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.