Home / 67,157,014.59-100,724,253.44-18,639,797.67

Finding the Fourth Proportional to 67,157,014.59, 100,724,253.44 and 18,639,797.67

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Solution

The fourth proportional to 67,157,014.59, 100,724,253.44 and 18,639,797.67 is: 27,956,568.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,157,014.59 : 100,724,253.44 = 18,639,797.67 : x
  2. Step 2: Convert to fraction form
    67,157,014.59/100,724,253.44 = 18,639,797.67/x
  3. Step 3: Cross multiply
    67,157,014.59x = 100,724,253.44 × 18,639,797.67
  4. Step 4: Simplify right side
    67,157,014.59x = 1,877,479,704,490,202.75
  5. Step 5: Solve for x
    x = 1,877,479,704,490,202.75/67,157,014.59
  6. Step 6: Final answer
    x = 27,956,568.88

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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.