Home / 259,336,717.36-389,032,319.76-84,473,378.24

Finding the Fourth Proportional to 259,336,717.36, 389,032,319.76 and 84,473,378.24

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Solution

The fourth proportional to 259,336,717.36, 389,032,319.76 and 84,473,378.24 is: 126,718,941.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,336,717.36 : 389,032,319.76 = 84,473,378.24 : x
  2. Step 2: Convert to fraction form
    259,336,717.36/389,032,319.76 = 84,473,378.24/x
  3. Step 3: Cross multiply
    259,336,717.36x = 389,032,319.76 × 84,473,378.24
  4. Step 4: Simplify right side
    259,336,717.36x = 32,862,874,294,671,104
  5. Step 5: Solve for x
    x = 32,862,874,294,671,104/259,336,717.36
  6. Step 6: Final answer
    x = 126,718,941.42

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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.