Home / 207,717,836.69-311,553,727.57-52,271,686.72

Finding the Fourth Proportional to 207,717,836.69, 311,553,727.57 and 52,271,686.72

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Solution

The fourth proportional to 207,717,836.69, 311,553,727.57 and 52,271,686.72 is: 78,401,735.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,717,836.69 : 311,553,727.57 = 52,271,686.72 : x
  2. Step 2: Convert to fraction form
    207,717,836.69/311,553,727.57 = 52,271,686.72/x
  3. Step 3: Cross multiply
    207,717,836.69x = 311,553,727.57 × 52,271,686.72
  4. Step 4: Simplify right side
    207,717,836.69x = 16,285,438,842,395,270
  5. Step 5: Solve for x
    x = 16,285,438,842,395,270/207,717,836.69
  6. Step 6: Final answer
    x = 78,401,735.27

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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.