Home / 204,726,005.20-307,089,007.80-127,241,907.40

Finding the Fourth Proportional to 204,726,005.20, 307,089,007.80 and 127,241,907.40

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Solution

The fourth proportional to 204,726,005.20, 307,089,007.80 and 127,241,907.40 is: 190,862,861.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,726,005.20 : 307,089,007.80 = 127,241,907.40 : x
  2. Step 2: Convert to fraction form
    204,726,005.20/307,089,007.80 = 127,241,907.40/x
  3. Step 3: Cross multiply
    204,726,005.20x = 307,089,007.80 × 127,241,907.40
  4. Step 4: Simplify right side
    204,726,005.20x = 39,074,591,094,045,480
  5. Step 5: Solve for x
    x = 39,074,591,094,045,480/204,726,005.20
  6. Step 6: Final answer
    x = 190,862,861.10

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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.