Home / 194,570,636.88-291,859,337.88-71,685,702.12

Finding the Fourth Proportional to 194,570,636.88, 291,859,337.88 and 71,685,702.12

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Solution

The fourth proportional to 194,570,636.88, 291,859,337.88 and 71,685,702.12 is: 107,529,799.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,570,636.88 : 291,859,337.88 = 71,685,702.12 : x
  2. Step 2: Convert to fraction form
    194,570,636.88/291,859,337.88 = 71,685,702.12/x
  3. Step 3: Cross multiply
    194,570,636.88x = 291,859,337.88 × 71,685,702.12
  4. Step 4: Simplify right side
    194,570,636.88x = 20,922,141,556,206,112
  5. Step 5: Solve for x
    x = 20,922,141,556,206,112/194,570,636.88
  6. Step 6: Final answer
    x = 107,529,799.42

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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.