Home / 168,683,732.10-253,025,598.15-100,603,296.90

Finding the Fourth Proportional to 168,683,732.10, 253,025,598.15 and 100,603,296.90

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Solution

The fourth proportional to 168,683,732.10, 253,025,598.15 and 100,603,296.90 is: 150,904,945.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,683,732.10 : 253,025,598.15 = 100,603,296.90 : x
  2. Step 2: Convert to fraction form
    168,683,732.10/253,025,598.15 = 100,603,296.90/x
  3. Step 3: Cross multiply
    168,683,732.10x = 253,025,598.15 × 100,603,296.90
  4. Step 4: Simplify right side
    168,683,732.10x = 25,455,209,373,984,544
  5. Step 5: Solve for x
    x = 25,455,209,373,984,544/168,683,732.10
  6. Step 6: Final answer
    x = 150,904,945.35

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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.