Home / 303,551,807.68-455,259,564.40-139,632,133.60

Finding the Fourth Proportional to 303,551,807.68, 455,259,564.40 and 139,632,133.60

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Solution

The fourth proportional to 303,551,807.68, 455,259,564.40 and 139,632,133.60 is: 209,416,853.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,551,807.68 : 455,259,564.40 = 139,632,133.60 : x
  2. Step 2: Convert to fraction form
    303,551,807.68/455,259,564.40 = 139,632,133.60/x
  3. Step 3: Cross multiply
    303,551,807.68x = 455,259,564.40 × 139,632,133.60
  4. Step 4: Simplify right side
    303,551,807.68x = 63,568,864,318,978,600
  5. Step 5: Solve for x
    x = 63,568,864,318,978,600/303,551,807.68
  6. Step 6: Final answer
    x = 209,416,853.11

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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.