Home / 117,431,333.90-176,147,000.85-85,014,745.10

Finding the Fourth Proportional to 117,431,333.90, 176,147,000.85 and 85,014,745.10

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Solution

The fourth proportional to 117,431,333.90, 176,147,000.85 and 85,014,745.10 is: 127,522,117.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,431,333.90 : 176,147,000.85 = 85,014,745.10 : x
  2. Step 2: Convert to fraction form
    117,431,333.90/176,147,000.85 = 85,014,745.10/x
  3. Step 3: Cross multiply
    117,431,333.90x = 176,147,000.85 × 85,014,745.10
  4. Step 4: Simplify right side
    117,431,333.90x = 14,975,092,377,392,232
  5. Step 5: Solve for x
    x = 14,975,092,377,392,232/117,431,333.90
  6. Step 6: Final answer
    x = 127,522,117.65

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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.