Home / 154,524,673,206.40-231,787,009,809.60-148,429,682,665.60

Finding the Fourth Proportional to 154,524,673,206.40, 231,787,009,809.60 and 148,429,682,665.60

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Solution

The fourth proportional to 154,524,673,206.40, 231,787,009,809.60 and 148,429,682,665.60 is: 222,644,523,998.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,524,673,206.40 : 231,787,009,809.60 = 148,429,682,665.60 : x
  2. Step 2: Convert to fraction form
    154,524,673,206.40/231,787,009,809.60 = 148,429,682,665.60/x
  3. Step 3: Cross multiply
    154,524,673,206.40x = 231,787,009,809.60 × 148,429,682,665.60
  4. Step 4: Simplify right side
    154,524,673,206.40x = 34,404,072,312,047,243,624,448
  5. Step 5: Solve for x
    x = 34,404,072,312,047,243,624,448/154,524,673,206.40
  6. Step 6: Final answer
    x = 222,644,523,998.40

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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.