Home / 189,490,811.60-284,236,217.40-161,749,591.40

Finding the Fourth Proportional to 189,490,811.60, 284,236,217.40 and 161,749,591.40

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Solution

The fourth proportional to 189,490,811.60, 284,236,217.40 and 161,749,591.40 is: 242,624,387.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,490,811.60 : 284,236,217.40 = 161,749,591.40 : x
  2. Step 2: Convert to fraction form
    189,490,811.60/284,236,217.40 = 161,749,591.40/x
  3. Step 3: Cross multiply
    189,490,811.60x = 284,236,217.40 × 161,749,591.40
  4. Step 4: Simplify right side
    189,490,811.60x = 45,975,092,025,531,568
  5. Step 5: Solve for x
    x = 45,975,092,025,531,568/189,490,811.60
  6. Step 6: Final answer
    x = 242,624,387.10

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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.