Home / 209,916,575.12-289,698,204.84-117,096,893.84

Finding the Fourth Proportional to 209,916,575.12, 289,698,204.84 and 117,096,893.84

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Solution

The fourth proportional to 209,916,575.12, 289,698,204.84 and 117,096,893.84 is: 161,601,149.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,916,575.12 : 289,698,204.84 = 117,096,893.84 : x
  2. Step 2: Convert to fraction form
    209,916,575.12/289,698,204.84 = 117,096,893.84/x
  3. Step 3: Cross multiply
    209,916,575.12x = 289,698,204.84 × 117,096,893.84
  4. Step 4: Simplify right side
    209,916,575.12x = 33,922,759,937,788,052
  5. Step 5: Solve for x
    x = 33,922,759,937,788,052/209,916,575.12
  6. Step 6: Final answer
    x = 161,601,149.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.