Home / 107,729,912.40-161,594,868.60-73,717,688.40

Finding the Fourth Proportional to 107,729,912.40, 161,594,868.60 and 73,717,688.40

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Solution

The fourth proportional to 107,729,912.40, 161,594,868.60 and 73,717,688.40 is: 110,576,532.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,729,912.40 : 161,594,868.60 = 73,717,688.40 : x
  2. Step 2: Convert to fraction form
    107,729,912.40/161,594,868.60 = 73,717,688.40/x
  3. Step 3: Cross multiply
    107,729,912.40x = 161,594,868.60 × 73,717,688.40
  4. Step 4: Simplify right side
    107,729,912.40x = 11,912,400,170,493,744
  5. Step 5: Solve for x
    x = 11,912,400,170,493,744/107,729,912.40
  6. Step 6: Final answer
    x = 110,576,532.60

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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.