Home / 221,400,064.80-332,100,097.20-156,776,839.20

Finding the Fourth Proportional to 221,400,064.80, 332,100,097.20 and 156,776,839.20

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Solution

The fourth proportional to 221,400,064.80, 332,100,097.20 and 156,776,839.20 is: 235,165,258.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,400,064.80 : 332,100,097.20 = 156,776,839.20 : x
  2. Step 2: Convert to fraction form
    221,400,064.80/332,100,097.20 = 156,776,839.20/x
  3. Step 3: Cross multiply
    221,400,064.80x = 332,100,097.20 × 156,776,839.20
  4. Step 4: Simplify right side
    221,400,064.80x = 52,065,603,537,028,768
  5. Step 5: Solve for x
    x = 52,065,603,537,028,768/221,400,064.80
  6. Step 6: Final answer
    x = 235,165,258.80

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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.