Home / 82,678,164.80-114,091,525.88-45,501,339.64

Finding the Fourth Proportional to 82,678,164.80, 114,091,525.88 and 45,501,339.64

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Solution

The fourth proportional to 82,678,164.80, 114,091,525.88 and 45,501,339.64 is: 62,789,459.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,678,164.80 : 114,091,525.88 = 45,501,339.64 : x
  2. Step 2: Convert to fraction form
    82,678,164.80/114,091,525.88 = 45,501,339.64/x
  3. Step 3: Cross multiply
    82,678,164.80x = 114,091,525.88 × 45,501,339.64
  4. Step 4: Simplify right side
    82,678,164.80x = 5,191,317,269,111,730
  5. Step 5: Solve for x
    x = 5,191,317,269,111,730/82,678,164.80
  6. Step 6: Final answer
    x = 62,789,459.37

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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.