Home / 220,843,491.40-331,265,237.10-147,185,768.80

Finding the Fourth Proportional to 220,843,491.40, 331,265,237.10 and 147,185,768.80

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Solution

The fourth proportional to 220,843,491.40, 331,265,237.10 and 147,185,768.80 is: 220,778,653.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,843,491.40 : 331,265,237.10 = 147,185,768.80 : x
  2. Step 2: Convert to fraction form
    220,843,491.40/331,265,237.10 = 147,185,768.80/x
  3. Step 3: Cross multiply
    220,843,491.40x = 331,265,237.10 × 147,185,768.80
  4. Step 4: Simplify right side
    220,843,491.40x = 48,757,528,599,277,792
  5. Step 5: Solve for x
    x = 48,757,528,599,277,792/220,843,491.40
  6. Step 6: Final answer
    x = 220,778,653.20

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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.