Home / 129,114,212.53-193,556,650.78-50,312,474.59

Finding the Fourth Proportional to 129,114,212.53, 193,556,650.78 and 50,312,474.59

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Solution

The fourth proportional to 129,114,212.53, 193,556,650.78 and 50,312,474.59 is: 75,424,028.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,114,212.53 : 193,556,650.78 = 50,312,474.59 : x
  2. Step 2: Convert to fraction form
    129,114,212.53/193,556,650.78 = 50,312,474.59/x
  3. Step 3: Cross multiply
    129,114,212.53x = 193,556,650.78 × 50,312,474.59
  4. Step 4: Simplify right side
    129,114,212.53x = 9,738,314,074,094,254
  5. Step 5: Solve for x
    x = 9,738,314,074,094,254/129,114,212.53
  6. Step 6: Final answer
    x = 75,424,028.72

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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.