Home / 177,147,604.70-265,721,407.05-131,231,102.30

Finding the Fourth Proportional to 177,147,604.70, 265,721,407.05 and 131,231,102.30

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Solution

The fourth proportional to 177,147,604.70, 265,721,407.05 and 131,231,102.30 is: 196,846,653.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,147,604.70 : 265,721,407.05 = 131,231,102.30 : x
  2. Step 2: Convert to fraction form
    177,147,604.70/265,721,407.05 = 131,231,102.30/x
  3. Step 3: Cross multiply
    177,147,604.70x = 265,721,407.05 × 131,231,102.30
  4. Step 4: Simplify right side
    177,147,604.70x = 34,870,913,151,878,492
  5. Step 5: Solve for x
    x = 34,870,913,151,878,492/177,147,604.70
  6. Step 6: Final answer
    x = 196,846,653.45

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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.