Home / 189,509,089.60-284,263,634.40-171,936,107.20

Finding the Fourth Proportional to 189,509,089.60, 284,263,634.40 and 171,936,107.20

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Solution

The fourth proportional to 189,509,089.60, 284,263,634.40 and 171,936,107.20 is: 257,904,160.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,509,089.60 : 284,263,634.40 = 171,936,107.20 : x
  2. Step 2: Convert to fraction form
    189,509,089.60/284,263,634.40 = 171,936,107.20/x
  3. Step 3: Cross multiply
    189,509,089.60x = 284,263,634.40 × 171,936,107.20
  4. Step 4: Simplify right side
    189,509,089.60x = 48,875,182,717,260,000
  5. Step 5: Solve for x
    x = 48,875,182,717,260,000/189,509,089.60
  6. Step 6: Final answer
    x = 257,904,160.80

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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.