Home / 248,418,567.65-342,811,718.49-135,391,628.33

Finding the Fourth Proportional to 248,418,567.65, 342,811,718.49 and 135,391,628.33

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Solution

The fourth proportional to 248,418,567.65, 342,811,718.49 and 135,391,628.33 is: 186,837,228.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,418,567.65 : 342,811,718.49 = 135,391,628.33 : x
  2. Step 2: Convert to fraction form
    248,418,567.65/342,811,718.49 = 135,391,628.33/x
  3. Step 3: Cross multiply
    248,418,567.65x = 342,811,718.49 × 135,391,628.33
  4. Step 4: Simplify right side
    248,418,567.65x = 46,413,836,778,213,648
  5. Step 5: Solve for x
    x = 46,413,836,778,213,648/248,418,567.65
  6. Step 6: Final answer
    x = 186,837,228.87

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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.