Home / 213,568,327.20-320,352,490.80-116,486,522.40

Finding the Fourth Proportional to 213,568,327.20, 320,352,490.80 and 116,486,522.40

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Solution

The fourth proportional to 213,568,327.20, 320,352,490.80 and 116,486,522.40 is: 174,729,783.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,568,327.20 : 320,352,490.80 = 116,486,522.40 : x
  2. Step 2: Convert to fraction form
    213,568,327.20/320,352,490.80 = 116,486,522.40/x
  3. Step 3: Cross multiply
    213,568,327.20x = 320,352,490.80 × 116,486,522.40
  4. Step 4: Simplify right side
    213,568,327.20x = 37,316,747,595,470,000
  5. Step 5: Solve for x
    x = 37,316,747,595,470,000/213,568,327.20
  6. Step 6: Final answer
    x = 174,729,783.60

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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.