Home / 283,111,891.56-424,691,939.57-86,419,484.55

Finding the Fourth Proportional to 283,111,891.56, 424,691,939.57 and 86,419,484.55

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Solution

The fourth proportional to 283,111,891.56, 424,691,939.57 and 86,419,484.55 is: 129,636,583.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,111,891.56 : 424,691,939.57 = 86,419,484.55 : x
  2. Step 2: Convert to fraction form
    283,111,891.56/424,691,939.57 = 86,419,484.55/x
  3. Step 3: Cross multiply
    283,111,891.56x = 424,691,939.57 × 86,419,484.55
  4. Step 4: Simplify right side
    283,111,891.56x = 36,701,658,509,747,048
  5. Step 5: Solve for x
    x = 36,701,658,509,747,048/283,111,891.56
  6. Step 6: Final answer
    x = 129,636,583.99

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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.