Home / 70,589,364.32-105,792,499.92-31,699,100

Finding the Fourth Proportional to 70,589,364.32, 105,792,499.92 and 31,699,100

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Solution

The fourth proportional to 70,589,364.32, 105,792,499.92 and 31,699,100 is: 47,507,539.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,589,364.32 : 105,792,499.92 = 31,699,100 : x
  2. Step 2: Convert to fraction form
    70,589,364.32/105,792,499.92 = 31,699,100/x
  3. Step 3: Cross multiply
    70,589,364.32x = 105,792,499.92 × 31,699,100
  4. Step 4: Simplify right side
    70,589,364.32x = 3,353,527,034,214,072
  5. Step 5: Solve for x
    x = 3,353,527,034,214,072/70,589,364.32
  6. Step 6: Final answer
    x = 47,507,539.79

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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.