Home / 53,776,879.20-80,665,318.80-19,701,669.60

Finding the Fourth Proportional to 53,776,879.20, 80,665,318.80 and 19,701,669.60

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Solution

The fourth proportional to 53,776,879.20, 80,665,318.80 and 19,701,669.60 is: 29,552,504.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,776,879.20 : 80,665,318.80 = 19,701,669.60 : x
  2. Step 2: Convert to fraction form
    53,776,879.20/80,665,318.80 = 19,701,669.60/x
  3. Step 3: Cross multiply
    53,776,879.20x = 80,665,318.80 × 19,701,669.60
  4. Step 4: Simplify right side
    53,776,879.20x = 1,589,241,459,176,268.50
  5. Step 5: Solve for x
    x = 1,589,241,459,176,268.50/53,776,879.20
  6. Step 6: Final answer
    x = 29,552,504.40

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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.