Home / 291,701,968.54-402,504,000.87-167,918,727.58

Finding the Fourth Proportional to 291,701,968.54, 402,504,000.87 and 167,918,727.58

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Solution

The fourth proportional to 291,701,968.54, 402,504,000.87 and 167,918,727.58 is: 231,702,103.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,701,968.54 : 402,504,000.87 = 167,918,727.58 : x
  2. Step 2: Convert to fraction form
    291,701,968.54/402,504,000.87 = 167,918,727.58/x
  3. Step 3: Cross multiply
    291,701,968.54x = 402,504,000.87 × 167,918,727.58
  4. Step 4: Simplify right side
    291,701,968.54x = 67,587,959,671,949,616
  5. Step 5: Solve for x
    x = 67,587,959,671,949,616/291,701,968.54
  6. Step 6: Final answer
    x = 231,702,103.38

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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.