Home / 114,992,442.72-172,213,683.83-66,322,743.48

Finding the Fourth Proportional to 114,992,442.72, 172,213,683.83 and 66,322,743.48

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Solution

The fourth proportional to 114,992,442.72, 172,213,683.83 and 66,322,743.48 is: 99,325,518.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,992,442.72 : 172,213,683.83 = 66,322,743.48 : x
  2. Step 2: Convert to fraction form
    114,992,442.72/172,213,683.83 = 66,322,743.48/x
  3. Step 3: Cross multiply
    114,992,442.72x = 172,213,683.83 × 66,322,743.48
  4. Step 4: Simplify right side
    114,992,442.72x = 11,421,683,976,402,914
  5. Step 5: Solve for x
    x = 11,421,683,976,402,914/114,992,442.72
  6. Step 6: Final answer
    x = 99,325,518.32

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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.