Home / 228,876,429.92-315,851,116.38-124,453,752.98

Finding the Fourth Proportional to 228,876,429.92, 315,851,116.38 and 124,453,752.98

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Solution

The fourth proportional to 228,876,429.92, 315,851,116.38 and 124,453,752.98 is: 171,747,072.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,876,429.92 : 315,851,116.38 = 124,453,752.98 : x
  2. Step 2: Convert to fraction form
    228,876,429.92/315,851,116.38 = 124,453,752.98/x
  3. Step 3: Cross multiply
    228,876,429.92x = 315,851,116.38 × 124,453,752.98
  4. Step 4: Simplify right side
    228,876,429.92x = 39,308,856,816,413,752
  5. Step 5: Solve for x
    x = 39,308,856,816,413,752/228,876,429.92
  6. Step 6: Final answer
    x = 171,747,072.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.