Home / 286,433,986.72-395,326,307.32-168,988,030.24

Finding the Fourth Proportional to 286,433,986.72, 395,326,307.32 and 168,988,030.24

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Solution

The fourth proportional to 286,433,986.72, 395,326,307.32 and 168,988,030.24 is: 233,231,449.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,433,986.72 : 395,326,307.32 = 168,988,030.24 : x
  2. Step 2: Convert to fraction form
    286,433,986.72/395,326,307.32 = 168,988,030.24/x
  3. Step 3: Cross multiply
    286,433,986.72x = 395,326,307.32 × 168,988,030.24
  4. Step 4: Simplify right side
    286,433,986.72x = 66,805,413,976,059,696
  5. Step 5: Solve for x
    x = 66,805,413,976,059,696/286,433,986.72
  6. Step 6: Final answer
    x = 233,231,449.73

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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.