Home / 325,521,733.96-488,262,808.32-115,442,806.42

Finding the Fourth Proportional to 325,521,733.96, 488,262,808.32 and 115,442,806.42

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Solution

The fourth proportional to 325,521,733.96, 488,262,808.32 and 115,442,806.42 is: 173,157,190.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,521,733.96 : 488,262,808.32 = 115,442,806.42 : x
  2. Step 2: Convert to fraction form
    325,521,733.96/488,262,808.32 = 115,442,806.42/x
  3. Step 3: Cross multiply
    325,521,733.96x = 488,262,808.32 × 115,442,806.42
  4. Step 4: Simplify right side
    325,521,733.96x = 56,366,428,862,971,328
  5. Step 5: Solve for x
    x = 56,366,428,862,971,328/325,521,733.96
  6. Step 6: Final answer
    x = 173,157,190.39

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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.