Home / 256,420,829.70-384,631,244.55-110,752,851.60

Finding the Fourth Proportional to 256,420,829.70, 384,631,244.55 and 110,752,851.60

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Solution

The fourth proportional to 256,420,829.70, 384,631,244.55 and 110,752,851.60 is: 166,129,277.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,420,829.70 : 384,631,244.55 = 110,752,851.60 : x
  2. Step 2: Convert to fraction form
    256,420,829.70/384,631,244.55 = 110,752,851.60/x
  3. Step 3: Cross multiply
    256,420,829.70x = 384,631,244.55 × 110,752,851.60
  4. Step 4: Simplify right side
    256,420,829.70x = 42,599,007,148,369,456
  5. Step 5: Solve for x
    x = 42,599,007,148,369,456/256,420,829.70
  6. Step 6: Final answer
    x = 166,129,277.40

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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.