Home / 168,683,768.60-253,025,652.90-100,603,333.40

Finding the Fourth Proportional to 168,683,768.60, 253,025,652.90 and 100,603,333.40

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Solution

The fourth proportional to 168,683,768.60, 253,025,652.90 and 100,603,333.40 is: 150,905,000.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,683,768.60 : 253,025,652.90 = 100,603,333.40 : x
  2. Step 2: Convert to fraction form
    168,683,768.60/253,025,652.90 = 100,603,333.40/x
  3. Step 3: Cross multiply
    168,683,768.60x = 253,025,652.90 × 100,603,333.40
  4. Step 4: Simplify right side
    168,683,768.60x = 25,455,224,117,451,380
  5. Step 5: Solve for x
    x = 25,455,224,117,451,380/168,683,768.60
  6. Step 6: Final answer
    x = 150,905,000.10

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1.5x scale

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.