Home / 168,683,746.60-253,025,619.90-100,603,311.40

Finding the Fourth Proportional to 168,683,746.60, 253,025,619.90 and 100,603,311.40

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Solution

The fourth proportional to 168,683,746.60, 253,025,619.90 and 100,603,311.40 is: 150,904,967.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,683,746.60 : 253,025,619.90 = 100,603,311.40 : x
  2. Step 2: Convert to fraction form
    168,683,746.60/253,025,619.90 = 100,603,311.40/x
  3. Step 3: Cross multiply
    168,683,746.60x = 253,025,619.90 × 100,603,311.40
  4. Step 4: Simplify right side
    168,683,746.60x = 25,455,215,230,977,740
  5. Step 5: Solve for x
    x = 25,455,215,230,977,740/168,683,746.60
  6. Step 6: Final answer
    x = 150,904,967.10

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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.