Home / 251,838,607.20-347,533,745.16-140,334,147.72

Finding the Fourth Proportional to 251,838,607.20, 347,533,745.16 and 140,334,147.72

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Solution

The fourth proportional to 251,838,607.20, 347,533,745.16 and 140,334,147.72 is: 193,659,155.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,838,607.20 : 347,533,745.16 = 140,334,147.72 : x
  2. Step 2: Convert to fraction form
    251,838,607.20/347,533,745.16 = 140,334,147.72/x
  3. Step 3: Cross multiply
    251,838,607.20x = 347,533,745.16 × 140,334,147.72
  4. Step 4: Simplify right side
    251,838,607.20x = 48,770,851,930,968,280
  5. Step 5: Solve for x
    x = 48,770,851,930,968,280/251,838,607.20
  6. Step 6: Final answer
    x = 193,659,155.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.