Home / 225,667,652.90-311,289,419.52-141,903,212.81

Finding the Fourth Proportional to 225,667,652.90, 311,289,419.52 and 141,903,212.81

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Solution

The fourth proportional to 225,667,652.90, 311,289,419.52 and 141,903,212.81 is: 195,743,466.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,667,652.90 : 311,289,419.52 = 141,903,212.81 : x
  2. Step 2: Convert to fraction form
    225,667,652.90/311,289,419.52 = 141,903,212.81/x
  3. Step 3: Cross multiply
    225,667,652.90x = 311,289,419.52 × 141,903,212.81
  4. Step 4: Simplify right side
    225,667,652.90x = 44,172,968,742,091,480
  5. Step 5: Solve for x
    x = 44,172,968,742,091,480/225,667,652.90
  6. Step 6: Final answer
    x = 195,743,466.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.