Home / 193,136,952.80-289,705,429.20-131,914,949.60

Finding the Fourth Proportional to 193,136,952.80, 289,705,429.20 and 131,914,949.60

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Solution

The fourth proportional to 193,136,952.80, 289,705,429.20 and 131,914,949.60 is: 197,872,424.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,136,952.80 : 289,705,429.20 = 131,914,949.60 : x
  2. Step 2: Convert to fraction form
    193,136,952.80/289,705,429.20 = 131,914,949.60/x
  3. Step 3: Cross multiply
    193,136,952.80x = 289,705,429.20 × 131,914,949.60
  4. Step 4: Simplify right side
    193,136,952.80x = 38,216,477,091,764,368
  5. Step 5: Solve for x
    x = 38,216,477,091,764,368/193,136,952.80
  6. Step 6: Final answer
    x = 197,872,424.40

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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.