Home / 209,682,301.68-314,532,900.72-80,256,341.52

Finding the Fourth Proportional to 209,682,301.68, 314,532,900.72 and 80,256,341.52

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Solution

The fourth proportional to 209,682,301.68, 314,532,900.72 and 80,256,341.52 is: 120,388,128.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,682,301.68 : 314,532,900.72 = 80,256,341.52 : x
  2. Step 2: Convert to fraction form
    209,682,301.68/314,532,900.72 = 80,256,341.52/x
  3. Step 3: Cross multiply
    209,682,301.68x = 314,532,900.72 × 80,256,341.52
  4. Step 4: Simplify right side
    209,682,301.68x = 25,243,259,899,460,576
  5. Step 5: Solve for x
    x = 25,243,259,899,460,576/209,682,301.68
  6. Step 6: Final answer
    x = 120,388,128.60

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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.