Home / 72,603,234.20-108,904,851.30-72,099,349.40

Finding the Fourth Proportional to 72,603,234.20, 108,904,851.30 and 72,099,349.40

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Solution

The fourth proportional to 72,603,234.20, 108,904,851.30 and 72,099,349.40 is: 108,149,024.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,603,234.20 : 108,904,851.30 = 72,099,349.40 : x
  2. Step 2: Convert to fraction form
    72,603,234.20/108,904,851.30 = 72,099,349.40/x
  3. Step 3: Cross multiply
    72,603,234.20x = 108,904,851.30 × 72,099,349.40
  4. Step 4: Simplify right side
    72,603,234.20x = 7,851,968,925,233,745
  5. Step 5: Solve for x
    x = 7,851,968,925,233,745/72,603,234.20
  6. Step 6: Final answer
    x = 108,149,024.10

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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.