Home / 325,549,531.60-488,891,167.80-172,494,523.60

Finding the Fourth Proportional to 325,549,531.60, 488,891,167.80 and 172,494,523.60

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Solution

The fourth proportional to 325,549,531.60, 488,891,167.80 and 172,494,523.60 is: 259,042,145.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,549,531.60 : 488,891,167.80 = 172,494,523.60 : x
  2. Step 2: Convert to fraction form
    325,549,531.60/488,891,167.80 = 172,494,523.60/x
  3. Step 3: Cross multiply
    325,549,531.60x = 488,891,167.80 × 172,494,523.60
  4. Step 4: Simplify right side
    325,549,531.60x = 84,331,049,081,908,656
  5. Step 5: Solve for x
    x = 84,331,049,081,908,656/325,549,531.60
  6. Step 6: Final answer
    x = 259,042,145.35

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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.