Home / 117,332,261.46-161,926,704.81-77,570,709.96

Finding the Fourth Proportional to 117,332,261.46, 161,926,704.81 and 77,570,709.96

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Solution

The fourth proportional to 117,332,261.46, 161,926,704.81 and 77,570,709.96 is: 107,052,990.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,332,261.46 : 161,926,704.81 = 77,570,709.96 : x
  2. Step 2: Convert to fraction form
    117,332,261.46/161,926,704.81 = 77,570,709.96/x
  3. Step 3: Cross multiply
    117,332,261.46x = 161,926,704.81 × 77,570,709.96
  4. Step 4: Simplify right side
    117,332,261.46x = 12,560,769,454,202,274
  5. Step 5: Solve for x
    x = 12,560,769,454,202,274/117,332,261.46
  6. Step 6: Final answer
    x = 107,052,990.35

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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.