Home / 63,878,137.70-95,831,203.35-20,740,000.10

Finding the Fourth Proportional to 63,878,137.70, 95,831,203.35 and 20,740,000.10

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Solution

The fourth proportional to 63,878,137.70, 95,831,203.35 and 20,740,000.10 is: 31,114,544.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,878,137.70 : 95,831,203.35 = 20,740,000.10 : x
  2. Step 2: Convert to fraction form
    63,878,137.70/95,831,203.35 = 20,740,000.10/x
  3. Step 3: Cross multiply
    63,878,137.70x = 95,831,203.35 × 20,740,000.10
  4. Step 4: Simplify right side
    63,878,137.70x = 1,987,539,167,062,120.25
  5. Step 5: Solve for x
    x = 1,987,539,167,062,120.25/63,878,137.70
  6. Step 6: Final answer
    x = 31,114,544.64

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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.