Home / 53,753,243.58-74,185,773.72-30,551,858.12

Finding the Fourth Proportional to 53,753,243.58, 74,185,773.72 and 30,551,858.12

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Solution

The fourth proportional to 53,753,243.58, 74,185,773.72 and 30,551,858.12 is: 42,165,143.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,753,243.58 : 74,185,773.72 = 30,551,858.12 : x
  2. Step 2: Convert to fraction form
    53,753,243.58/74,185,773.72 = 30,551,858.12/x
  3. Step 3: Cross multiply
    53,753,243.58x = 74,185,773.72 × 30,551,858.12
  4. Step 4: Simplify right side
    53,753,243.58x = 2,266,513,233,286,759.50
  5. Step 5: Solve for x
    x = 2,266,513,233,286,759.50/53,753,243.58
  6. Step 6: Final answer
    x = 42,165,143.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.