Home / 275,942,295.85-413,974,966.95-79,190,371.61

Finding the Fourth Proportional to 275,942,295.85, 413,974,966.95 and 79,190,371.61

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Solution

The fourth proportional to 275,942,295.85, 413,974,966.95 and 79,190,371.61 is: 118,803,213.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,942,295.85 : 413,974,966.95 = 79,190,371.61 : x
  2. Step 2: Convert to fraction form
    275,942,295.85/413,974,966.95 = 79,190,371.61/x
  3. Step 3: Cross multiply
    275,942,295.85x = 413,974,966.95 × 79,190,371.61
  4. Step 4: Simplify right side
    275,942,295.85x = 32,782,831,470,007,968
  5. Step 5: Solve for x
    x = 32,782,831,470,007,968/275,942,295.85
  6. Step 6: Final answer
    x = 118,803,213.44

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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.