Home / 220,052,077.80-330,078,116.70-161,939,004.45

Finding the Fourth Proportional to 220,052,077.80, 330,078,116.70 and 161,939,004.45

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Solution

The fourth proportional to 220,052,077.80, 330,078,116.70 and 161,939,004.45 is: 242,908,506.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,052,077.80 : 330,078,116.70 = 161,939,004.45 : x
  2. Step 2: Convert to fraction form
    220,052,077.80/330,078,116.70 = 161,939,004.45/x
  3. Step 3: Cross multiply
    220,052,077.80x = 330,078,116.70 × 161,939,004.45
  4. Step 4: Simplify right side
    220,052,077.80x = 53,452,521,609,128,912
  5. Step 5: Solve for x
    x = 53,452,521,609,128,912/220,052,077.80
  6. Step 6: Final answer
    x = 242,908,506.68

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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.