Home / 168,903,096.81-253,305,708.36-50,723,089.78

Finding the Fourth Proportional to 168,903,096.81, 253,305,708.36 and 50,723,089.78

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Solution

The fourth proportional to 168,903,096.81, 253,305,708.36 and 50,723,089.78 is: 76,069,938.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,903,096.81 : 253,305,708.36 = 50,723,089.78 : x
  2. Step 2: Convert to fraction form
    168,903,096.81/253,305,708.36 = 50,723,089.78/x
  3. Step 3: Cross multiply
    168,903,096.81x = 253,305,708.36 × 50,723,089.78
  4. Step 4: Simplify right side
    168,903,096.81x = 12,848,448,186,297,574
  5. Step 5: Solve for x
    x = 12,848,448,186,297,574/168,903,096.81
  6. Step 6: Final answer
    x = 76,069,938.50

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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.