Home / 342,532,522.20-513,683,632.24-124,137,138.48

Finding the Fourth Proportional to 342,532,522.20, 513,683,632.24 and 124,137,138.48

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Solution

The fourth proportional to 342,532,522.20, 513,683,632.24 and 124,137,138.48 is: 186,163,975.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,532,522.20 : 513,683,632.24 = 124,137,138.48 : x
  2. Step 2: Convert to fraction form
    342,532,522.20/513,683,632.24 = 124,137,138.48/x
  3. Step 3: Cross multiply
    342,532,522.20x = 513,683,632.24 × 124,137,138.48
  4. Step 4: Simplify right side
    342,532,522.20x = 63,767,216,190,286,272
  5. Step 5: Solve for x
    x = 63,767,216,190,286,272/342,532,522.20
  6. Step 6: Final answer
    x = 186,163,975.85

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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.