Home / 220,106,115.48-303,739,874.28-126,017,140.80

Finding the Fourth Proportional to 220,106,115.48, 303,739,874.28 and 126,017,140.80

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Solution

The fourth proportional to 220,106,115.48, 303,739,874.28 and 126,017,140.80 is: 173,899,895.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,106,115.48 : 303,739,874.28 = 126,017,140.80 : x
  2. Step 2: Convert to fraction form
    220,106,115.48/303,739,874.28 = 126,017,140.80/x
  3. Step 3: Cross multiply
    220,106,115.48x = 303,739,874.28 × 126,017,140.80
  4. Step 4: Simplify right side
    220,106,115.48x = 38,276,430,503,717,056
  5. Step 5: Solve for x
    x = 38,276,430,503,717,056/220,106,115.48
  6. Step 6: Final answer
    x = 173,899,895.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.