Home / 170,424,009.80-255,636,014.70-109,202,006.60

Finding the Fourth Proportional to 170,424,009.80, 255,636,014.70 and 109,202,006.60

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Solution

The fourth proportional to 170,424,009.80, 255,636,014.70 and 109,202,006.60 is: 163,803,009.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,424,009.80 : 255,636,014.70 = 109,202,006.60 : x
  2. Step 2: Convert to fraction form
    170,424,009.80/255,636,014.70 = 109,202,006.60/x
  3. Step 3: Cross multiply
    170,424,009.80x = 255,636,014.70 × 109,202,006.60
  4. Step 4: Simplify right side
    170,424,009.80x = 27,915,965,764,467,096
  5. Step 5: Solve for x
    x = 27,915,965,764,467,096/170,424,009.80
  6. Step 6: Final answer
    x = 163,803,009.90

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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.