Home / 189,914,928.20-284,872,392.30-177,174,729.80

Finding the Fourth Proportional to 189,914,928.20, 284,872,392.30 and 177,174,729.80

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Solution

The fourth proportional to 189,914,928.20, 284,872,392.30 and 177,174,729.80 is: 265,762,094.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,914,928.20 : 284,872,392.30 = 177,174,729.80 : x
  2. Step 2: Convert to fraction form
    189,914,928.20/284,872,392.30 = 177,174,729.80/x
  3. Step 3: Cross multiply
    189,914,928.20x = 284,872,392.30 × 177,174,729.80
  4. Step 4: Simplify right side
    189,914,928.20x = 50,472,189,133,232,104
  5. Step 5: Solve for x
    x = 50,472,189,133,232,104/189,914,928.20
  6. Step 6: Final answer
    x = 265,762,094.70

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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.