Home / 277,792,890.92-416,648,775.30-81,003,423.32

Finding the Fourth Proportional to 277,792,890.92, 416,648,775.30 and 81,003,423.32

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Solution

The fourth proportional to 277,792,890.92, 416,648,775.30 and 81,003,423.32 is: 121,493,307.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,792,890.92 : 416,648,775.30 = 81,003,423.32 : x
  2. Step 2: Convert to fraction form
    277,792,890.92/416,648,775.30 = 81,003,423.32/x
  3. Step 3: Cross multiply
    277,792,890.92x = 416,648,775.30 × 81,003,423.32
  4. Step 4: Simplify right side
    277,792,890.92x = 33,749,977,121,385,456
  5. Step 5: Solve for x
    x = 33,749,977,121,385,456/277,792,890.92
  6. Step 6: Final answer
    x = 121,493,307.51

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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.