Home / 217,219,640.60-325,845,207.30-130,771,904.60

Finding the Fourth Proportional to 217,219,640.60, 325,845,207.30 and 130,771,904.60

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Solution

The fourth proportional to 217,219,640.60, 325,845,207.30 and 130,771,904.60 is: 196,167,336.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,219,640.60 : 325,845,207.30 = 130,771,904.60 : x
  2. Step 2: Convert to fraction form
    217,219,640.60/325,845,207.30 = 130,771,904.60/x
  3. Step 3: Cross multiply
    217,219,640.60x = 325,845,207.30 × 130,771,904.60
  4. Step 4: Simplify right side
    217,219,640.60x = 42,611,398,363,402,824
  5. Step 5: Solve for x
    x = 42,611,398,363,402,824/217,219,640.60
  6. Step 6: Final answer
    x = 196,167,336.64

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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.