Home / 115,909,399.60-173,864,099.40-103,816,164.40

Finding the Fourth Proportional to 115,909,399.60, 173,864,099.40 and 103,816,164.40

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Solution

The fourth proportional to 115,909,399.60, 173,864,099.40 and 103,816,164.40 is: 155,724,246.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,909,399.60 : 173,864,099.40 = 103,816,164.40 : x
  2. Step 2: Convert to fraction form
    115,909,399.60/173,864,099.40 = 103,816,164.40/x
  3. Step 3: Cross multiply
    115,909,399.60x = 173,864,099.40 × 103,816,164.40
  4. Step 4: Simplify right side
    115,909,399.60x = 18,049,903,926,568,344
  5. Step 5: Solve for x
    x = 18,049,903,926,568,344/115,909,399.60
  6. Step 6: Final answer
    x = 155,724,246.60

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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.