Home / 171,622,245.60-257,433,368.40-79,505,805.60

Finding the Fourth Proportional to 171,622,245.60, 257,433,368.40 and 79,505,805.60

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Solution

The fourth proportional to 171,622,245.60, 257,433,368.40 and 79,505,805.60 is: 119,258,708.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,622,245.60 : 257,433,368.40 = 79,505,805.60 : x
  2. Step 2: Convert to fraction form
    171,622,245.60/257,433,368.40 = 79,505,805.60/x
  3. Step 3: Cross multiply
    171,622,245.60x = 257,433,368.40 × 79,505,805.60
  4. Step 4: Simplify right side
    171,622,245.60x = 20,467,447,342,963,580
  5. Step 5: Solve for x
    x = 20,467,447,342,963,580/171,622,245.60
  6. Step 6: Final answer
    x = 119,258,708.40

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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.