Home / 204,912,015.60-307,368,023.40-83,830,364.40

Finding the Fourth Proportional to 204,912,015.60, 307,368,023.40 and 83,830,364.40

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Solution

The fourth proportional to 204,912,015.60, 307,368,023.40 and 83,830,364.40 is: 125,745,546.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,912,015.60 : 307,368,023.40 = 83,830,364.40 : x
  2. Step 2: Convert to fraction form
    204,912,015.60/307,368,023.40 = 83,830,364.40/x
  3. Step 3: Cross multiply
    204,912,015.60x = 307,368,023.40 × 83,830,364.40
  4. Step 4: Simplify right side
    204,912,015.60x = 25,766,773,406,529,728
  5. Step 5: Solve for x
    x = 25,766,773,406,529,728/204,912,015.60
  6. Step 6: Final answer
    x = 125,745,546.60

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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.