Home / 70,041,647.70-105,103,412.19-50,591,694.42

Finding the Fourth Proportional to 70,041,647.70, 105,103,412.19 and 50,591,694.42

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Solution

The fourth proportional to 70,041,647.70, 105,103,412.19 and 50,591,694.42 is: 75,917,113.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,041,647.70 : 105,103,412.19 = 50,591,694.42 : x
  2. Step 2: Convert to fraction form
    70,041,647.70/105,103,412.19 = 50,591,694.42/x
  3. Step 3: Cross multiply
    70,041,647.70x = 105,103,412.19 × 50,591,694.42
  4. Step 4: Simplify right side
    70,041,647.70x = 5,317,359,712,015,783
  5. Step 5: Solve for x
    x = 5,317,359,712,015,783/70,041,647.70
  6. Step 6: Final answer
    x = 75,917,113.41

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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.