Home / 276,189,549.72-381,136,170.60-150,742,646.52

Finding the Fourth Proportional to 276,189,549.72, 381,136,170.60 and 150,742,646.52

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Solution

The fourth proportional to 276,189,549.72, 381,136,170.60 and 150,742,646.52 is: 208,021,900.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,189,549.72 : 381,136,170.60 = 150,742,646.52 : x
  2. Step 2: Convert to fraction form
    276,189,549.72/381,136,170.60 = 150,742,646.52/x
  3. Step 3: Cross multiply
    276,189,549.72x = 381,136,170.60 × 150,742,646.52
  4. Step 4: Simplify right side
    276,189,549.72x = 57,453,475,040,742,224
  5. Step 5: Solve for x
    x = 57,453,475,040,742,224/276,189,549.72
  6. Step 6: Final answer
    x = 208,021,900.54

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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.