Home / 69,777,019.71-96,290,527.20-38,414,755.67

Finding the Fourth Proportional to 69,777,019.71, 96,290,527.20 and 38,414,755.67

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Solution

The fourth proportional to 69,777,019.71, 96,290,527.20 and 38,414,755.67 is: 53,011,393.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,777,019.71 : 96,290,527.20 = 38,414,755.67 : x
  2. Step 2: Convert to fraction form
    69,777,019.71/96,290,527.20 = 38,414,755.67/x
  3. Step 3: Cross multiply
    69,777,019.71x = 96,290,527.20 × 38,414,755.67
  4. Step 4: Simplify right side
    69,777,019.71x = 3,698,977,075,723,489.50
  5. Step 5: Solve for x
    x = 3,698,977,075,723,489.50/69,777,019.71
  6. Step 6: Final answer
    x = 53,011,393.88

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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.