Home / 82,617,940.58-114,012,127.53-45,447,420.47

Finding the Fourth Proportional to 82,617,940.58, 114,012,127.53 and 45,447,420.47

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Solution

The fourth proportional to 82,617,940.58, 114,012,127.53 and 45,447,420.47 is: 62,717,093.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,617,940.58 : 114,012,127.53 = 45,447,420.47 : x
  2. Step 2: Convert to fraction form
    82,617,940.58/114,012,127.53 = 45,447,420.47/x
  3. Step 3: Cross multiply
    82,617,940.58x = 114,012,127.53 × 45,447,420.47
  4. Step 4: Simplify right side
    82,617,940.58x = 5,181,557,097,965,112
  5. Step 5: Solve for x
    x = 5,181,557,097,965,112/82,617,940.58
  6. Step 6: Final answer
    x = 62,717,093.43

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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.