Home / 220,052,777.40-330,079,166.10-211,549,721.40

Finding the Fourth Proportional to 220,052,777.40, 330,079,166.10 and 211,549,721.40

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Solution

The fourth proportional to 220,052,777.40, 330,079,166.10 and 211,549,721.40 is: 317,324,582.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,052,777.40 : 330,079,166.10 = 211,549,721.40 : x
  2. Step 2: Convert to fraction form
    220,052,777.40/330,079,166.10 = 211,549,721.40/x
  3. Step 3: Cross multiply
    220,052,777.40x = 330,079,166.10 × 211,549,721.40
  4. Step 4: Simplify right side
    220,052,777.40x = 69,828,155,628,399,328
  5. Step 5: Solve for x
    x = 69,828,155,628,399,328/220,052,777.40
  6. Step 6: Final answer
    x = 317,324,582.10

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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.