Home / 63,784,065.53-95,690,051.81-20,657,628.38

Finding the Fourth Proportional to 63,784,065.53, 95,690,051.81 and 20,657,628.38

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Solution

The fourth proportional to 63,784,065.53, 95,690,051.81 and 20,657,628.38 is: 30,990,961.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,784,065.53 : 95,690,051.81 = 20,657,628.38 : x
  2. Step 2: Convert to fraction form
    63,784,065.53/95,690,051.81 = 20,657,628.38/x
  3. Step 3: Cross multiply
    63,784,065.53x = 95,690,051.81 × 20,657,628.38
  4. Step 4: Simplify right side
    63,784,065.53x = 1,976,729,529,953,926.25
  5. Step 5: Solve for x
    x = 1,976,729,529,953,926.25/63,784,065.53
  6. Step 6: Final answer
    x = 30,990,961.67

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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.