Home / 325,345,785.45-488,017,613.71-118,083,919.83

Finding the Fourth Proportional to 325,345,785.45, 488,017,613.71 and 118,083,919.83

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Solution

The fourth proportional to 325,345,785.45, 488,017,613.71 and 118,083,919.83 is: 177,125,493.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,345,785.45 : 488,017,613.71 = 118,083,919.83 : x
  2. Step 2: Convert to fraction form
    325,345,785.45/488,017,613.71 = 118,083,919.83/x
  3. Step 3: Cross multiply
    325,345,785.45x = 488,017,613.71 × 118,083,919.83
  4. Step 4: Simplify right side
    325,345,785.45x = 57,627,032,772,369,128
  5. Step 5: Solve for x
    x = 57,627,032,772,369,128/325,345,785.45
  6. Step 6: Final answer
    x = 177,125,493.40

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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.