Home / 207,663,017.77-311,470,732.09-54,323,874.73

Finding the Fourth Proportional to 207,663,017.77, 311,470,732.09 and 54,323,874.73

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Solution

The fourth proportional to 207,663,017.77, 311,470,732.09 and 54,323,874.73 is: 81,479,587.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,663,017.77 : 311,470,732.09 = 54,323,874.73 : x
  2. Step 2: Convert to fraction form
    207,663,017.77/311,470,732.09 = 54,323,874.73/x
  3. Step 3: Cross multiply
    207,663,017.77x = 311,470,732.09 × 54,323,874.73
  4. Step 4: Simplify right side
    207,663,017.77x = 16,920,297,032,118,548
  5. Step 5: Solve for x
    x = 16,920,297,032,118,548/207,663,017.77
  6. Step 6: Final answer
    x = 81,479,587.53

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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.