Home / 66,082,430.37-91,188,407.81-38,206,928.98

Finding the Fourth Proportional to 66,082,430.37, 91,188,407.81 and 38,206,928.98

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Solution

The fourth proportional to 66,082,430.37, 91,188,407.81 and 38,206,928.98 is: 52,722,471.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,082,430.37 : 91,188,407.81 = 38,206,928.98 : x
  2. Step 2: Convert to fraction form
    66,082,430.37/91,188,407.81 = 38,206,928.98/x
  3. Step 3: Cross multiply
    66,082,430.37x = 91,188,407.81 × 38,206,928.98
  4. Step 4: Simplify right side
    66,082,430.37x = 3,484,029,021,205,450.50
  5. Step 5: Solve for x
    x = 3,484,029,021,205,450.50/66,082,430.37
  6. Step 6: Final answer
    x = 52,722,471.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.