Home / 285,294,896.83-427,643,665.88-119,393,454.24

Finding the Fourth Proportional to 285,294,896.83, 427,643,665.88 and 119,393,454.24

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Solution

The fourth proportional to 285,294,896.83, 427,643,665.88 and 119,393,454.24 is: 178,965,186.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,294,896.83 : 427,643,665.88 = 119,393,454.24 : x
  2. Step 2: Convert to fraction form
    285,294,896.83/427,643,665.88 = 119,393,454.24/x
  3. Step 3: Cross multiply
    285,294,896.83x = 427,643,665.88 × 119,393,454.24
  4. Step 4: Simplify right side
    285,294,896.83x = 51,057,854,454,850,160
  5. Step 5: Solve for x
    x = 51,057,854,454,850,160/285,294,896.83
  6. Step 6: Final answer
    x = 178,965,186.63

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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.