Home / 342,532,523.20-513,683,633.74-124,137,139.48

Finding the Fourth Proportional to 342,532,523.20, 513,683,633.74 and 124,137,139.48

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Solution

The fourth proportional to 342,532,523.20, 513,683,633.74 and 124,137,139.48 is: 186,163,977.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,532,523.20 : 513,683,633.74 = 124,137,139.48 : x
  2. Step 2: Convert to fraction form
    342,532,523.20/513,683,633.74 = 124,137,139.48/x
  3. Step 3: Cross multiply
    342,532,523.20x = 513,683,633.74 × 124,137,139.48
  4. Step 4: Simplify right side
    342,532,523.20x = 63,767,216,890,175,616
  5. Step 5: Solve for x
    x = 63,767,216,890,175,616/342,532,523.20
  6. Step 6: Final answer
    x = 186,163,977.35

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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.