Home / 355,085,057.93-489,996,235.91-196,305,667.63

Finding the Fourth Proportional to 355,085,057.93, 489,996,235.91 and 196,305,667.63

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Solution

The fourth proportional to 355,085,057.93, 489,996,235.91 and 196,305,667.63 is: 270,890,132.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,085,057.93 : 489,996,235.91 = 196,305,667.63 : x
  2. Step 2: Convert to fraction form
    355,085,057.93/489,996,235.91 = 196,305,667.63/x
  3. Step 3: Cross multiply
    355,085,057.93x = 489,996,235.91 × 196,305,667.63
  4. Step 4: Simplify right side
    355,085,057.93x = 96,189,038,225,765,312
  5. Step 5: Solve for x
    x = 96,189,038,225,765,312/355,085,057.93
  6. Step 6: Final answer
    x = 270,890,132.04

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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.