Home / 282,147,739.67-389,368,694.44-154,993,779.69

Finding the Fourth Proportional to 282,147,739.67, 389,368,694.44 and 154,993,779.69

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Solution

The fourth proportional to 282,147,739.67, 389,368,694.44 and 154,993,779.69 is: 213,894,060.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,147,739.67 : 389,368,694.44 = 154,993,779.69 : x
  2. Step 2: Convert to fraction form
    282,147,739.67/389,368,694.44 = 154,993,779.69/x
  3. Step 3: Cross multiply
    282,147,739.67x = 389,368,694.44 × 154,993,779.69
  4. Step 4: Simplify right side
    282,147,739.67x = 60,349,725,644,216,288
  5. Step 5: Solve for x
    x = 60,349,725,644,216,288/282,147,739.67
  6. Step 6: Final answer
    x = 213,894,060.31

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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.