Home / 257,089,100.43-385,255,638.63-151,936,215.87

Finding the Fourth Proportional to 257,089,100.43, 385,255,638.63 and 151,936,215.87

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Solution

The fourth proportional to 257,089,100.43, 385,255,638.63 and 151,936,215.87 is: 227,680,923.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,089,100.43 : 385,255,638.63 = 151,936,215.87 : x
  2. Step 2: Convert to fraction form
    257,089,100.43/385,255,638.63 = 151,936,215.87/x
  3. Step 3: Cross multiply
    257,089,100.43x = 385,255,638.63 × 151,936,215.87
  4. Step 4: Simplify right side
    257,089,100.43x = 58,534,283,876,022,392
  5. Step 5: Solve for x
    x = 58,534,283,876,022,392/257,089,100.43
  6. Step 6: Final answer
    x = 227,680,923.77

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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.