Home / 171,422,268-257,201,530.56-54,855,582.72

Finding the Fourth Proportional to 171,422,268, 257,201,530.56 and 54,855,582.72

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Solution

The fourth proportional to 171,422,268, 257,201,530.56 and 54,855,582.72 is: 82,305,175.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,422,268 : 257,201,530.56 = 54,855,582.72 : x
  2. Step 2: Convert to fraction form
    171,422,268/257,201,530.56 = 54,855,582.72/x
  3. Step 3: Cross multiply
    171,422,268x = 257,201,530.56 × 54,855,582.72
  4. Step 4: Simplify right side
    171,422,268x = 14,108,939,835,344,688
  5. Step 5: Solve for x
    x = 14,108,939,835,344,688/171,422,268
  6. Step 6: Final answer
    x = 82,305,175.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.