Home / 171,620,403.60-257,430,605.40-157,511,629.20

Finding the Fourth Proportional to 171,620,403.60, 257,430,605.40 and 157,511,629.20

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Solution

The fourth proportional to 171,620,403.60, 257,430,605.40 and 157,511,629.20 is: 236,267,443.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,620,403.60 : 257,430,605.40 = 157,511,629.20 : x
  2. Step 2: Convert to fraction form
    171,620,403.60/257,430,605.40 = 157,511,629.20/x
  3. Step 3: Cross multiply
    171,620,403.60x = 257,430,605.40 × 157,511,629.20
  4. Step 4: Simplify right side
    171,620,403.60x = 40,548,314,062,496,312
  5. Step 5: Solve for x
    x = 40,548,314,062,496,312/171,620,403.60
  6. Step 6: Final answer
    x = 236,267,443.80

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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.