Home / 279,400,228.60-419,100,342.90-87,924,004.60

Finding the Fourth Proportional to 279,400,228.60, 419,100,342.90 and 87,924,004.60

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Solution

The fourth proportional to 279,400,228.60, 419,100,342.90 and 87,924,004.60 is: 131,886,006.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,400,228.60 : 419,100,342.90 = 87,924,004.60 : x
  2. Step 2: Convert to fraction form
    279,400,228.60/419,100,342.90 = 87,924,004.60/x
  3. Step 3: Cross multiply
    279,400,228.60x = 419,100,342.90 × 87,924,004.60
  4. Step 4: Simplify right side
    279,400,228.60x = 36,848,980,477,001,176
  5. Step 5: Solve for x
    x = 36,848,980,477,001,176/279,400,228.60
  6. Step 6: Final answer
    x = 131,886,006.90

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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.