Home / 51,683,684.10-71,320,270.41-28,477,512.42

Finding the Fourth Proportional to 51,683,684.10, 71,320,270.41 and 28,477,512.42

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Solution

The fourth proportional to 51,683,684.10, 71,320,270.41 and 28,477,512.42 is: 39,297,196.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,683,684.10 : 71,320,270.41 = 28,477,512.42 : x
  2. Step 2: Convert to fraction form
    51,683,684.10/71,320,270.41 = 28,477,512.42/x
  3. Step 3: Cross multiply
    51,683,684.10x = 71,320,270.41 × 28,477,512.42
  4. Step 4: Simplify right side
    51,683,684.10x = 2,031,023,886,398,533.50
  5. Step 5: Solve for x
    x = 2,031,023,886,398,533.50/51,683,684.10
  6. Step 6: Final answer
    x = 39,297,196.43

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1.5x scale

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.