Home / 205,013,706.99-307,534,196.79-72,050,481.82

Finding the Fourth Proportional to 205,013,706.99, 307,534,196.79 and 72,050,481.82

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Solution

The fourth proportional to 205,013,706.99, 307,534,196.79 and 72,050,481.82 is: 108,080,515.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,013,706.99 : 307,534,196.79 = 72,050,481.82 : x
  2. Step 2: Convert to fraction form
    205,013,706.99/307,534,196.79 = 72,050,481.82/x
  3. Step 3: Cross multiply
    205,013,706.99x = 307,534,196.79 × 72,050,481.82
  4. Step 4: Simplify right side
    205,013,706.99x = 22,157,987,054,846,196
  5. Step 5: Solve for x
    x = 22,157,987,054,846,196/205,013,706.99
  6. Step 6: Final answer
    x = 108,080,515.10

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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.