Home / 68,093,140.80-102,139,711.20-62,831,874.90

Finding the Fourth Proportional to 68,093,140.80, 102,139,711.20 and 62,831,874.90

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Solution

The fourth proportional to 68,093,140.80, 102,139,711.20 and 62,831,874.90 is: 94,247,812.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,093,140.80 : 102,139,711.20 = 62,831,874.90 : x
  2. Step 2: Convert to fraction form
    68,093,140.80/102,139,711.20 = 62,831,874.90/x
  3. Step 3: Cross multiply
    68,093,140.80x = 102,139,711.20 × 62,831,874.90
  4. Step 4: Simplify right side
    68,093,140.80x = 6,417,629,556,440,529
  5. Step 5: Solve for x
    x = 6,417,629,556,440,529/68,093,140.80
  6. Step 6: Final answer
    x = 94,247,812.35

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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.