Home / 204,912,083.60-307,368,125.40-83,830,432.40

Finding the Fourth Proportional to 204,912,083.60, 307,368,125.40 and 83,830,432.40

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Solution

The fourth proportional to 204,912,083.60, 307,368,125.40 and 83,830,432.40 is: 125,745,648.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,912,083.60 : 307,368,125.40 = 83,830,432.40 : x
  2. Step 2: Convert to fraction form
    204,912,083.60/307,368,125.40 = 83,830,432.40/x
  3. Step 3: Cross multiply
    204,912,083.60x = 307,368,125.40 × 83,830,432.40
  4. Step 4: Simplify right side
    204,912,083.60x = 25,766,802,858,259,424
  5. Step 5: Solve for x
    x = 25,766,802,858,259,424/204,912,083.60
  6. Step 6: Final answer
    x = 125,745,648.60

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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.