Home / 53,142,403.60-79,713,605.40-17,240,611.60

Finding the Fourth Proportional to 53,142,403.60, 79,713,605.40 and 17,240,611.60

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Solution

The fourth proportional to 53,142,403.60, 79,713,605.40 and 17,240,611.60 is: 25,860,917.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,142,403.60 : 79,713,605.40 = 17,240,611.60 : x
  2. Step 2: Convert to fraction form
    53,142,403.60/79,713,605.40 = 17,240,611.60/x
  3. Step 3: Cross multiply
    53,142,403.60x = 79,713,605.40 × 17,240,611.60
  4. Step 4: Simplify right side
    53,142,403.60x = 1,374,311,309,937,062.75
  5. Step 5: Solve for x
    x = 1,374,311,309,937,062.75/53,142,403.60
  6. Step 6: Final answer
    x = 25,860,917.40

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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.