Home / 193,087,617.20-289,631,425.80-111,458,279.60

Finding the Fourth Proportional to 193,087,617.20, 289,631,425.80 and 111,458,279.60

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Solution

The fourth proportional to 193,087,617.20, 289,631,425.80 and 111,458,279.60 is: 167,187,419.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,087,617.20 : 289,631,425.80 = 111,458,279.60 : x
  2. Step 2: Convert to fraction form
    193,087,617.20/289,631,425.80 = 111,458,279.60/x
  3. Step 3: Cross multiply
    193,087,617.20x = 289,631,425.80 × 111,458,279.60
  4. Step 4: Simplify right side
    193,087,617.20x = 32,281,820,437,763,052
  5. Step 5: Solve for x
    x = 32,281,820,437,763,052/193,087,617.20
  6. Step 6: Final answer
    x = 167,187,419.40

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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.