Home / 251,631,467.28-347,240,255.40-140,128,059.60

Finding the Fourth Proportional to 251,631,467.28, 347,240,255.40 and 140,128,059.60

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Solution

The fourth proportional to 251,631,467.28, 347,240,255.40 and 140,128,059.60 is: 193,370,502.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,631,467.28 : 347,240,255.40 = 140,128,059.60 : x
  2. Step 2: Convert to fraction form
    251,631,467.28/347,240,255.40 = 140,128,059.60/x
  3. Step 3: Cross multiply
    251,631,467.28x = 347,240,255.40 × 140,128,059.60
  4. Step 4: Simplify right side
    251,631,467.28x = 48,658,103,204,210,416
  5. Step 5: Solve for x
    x = 48,658,103,204,210,416/251,631,467.28
  6. Step 6: Final answer
    x = 193,370,502.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.