Home / 193,542,479.20-289,977,795.60-125,350,069.60

Finding the Fourth Proportional to 193,542,479.20, 289,977,795.60 and 125,350,069.60

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Solution

The fourth proportional to 193,542,479.20, 289,977,795.60 and 125,350,069.60 is: 187,807,539.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,542,479.20 : 289,977,795.60 = 125,350,069.60 : x
  2. Step 2: Convert to fraction form
    193,542,479.20/289,977,795.60 = 125,350,069.60/x
  3. Step 3: Cross multiply
    193,542,479.20x = 289,977,795.60 × 125,350,069.60
  4. Step 4: Simplify right side
    193,542,479.20x = 36,348,736,860,914,576
  5. Step 5: Solve for x
    x = 36,348,736,860,914,576/193,542,479.20
  6. Step 6: Final answer
    x = 187,807,539.78

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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.