Home / 172,616,173.80-258,924,260.70-155,297,466.60

Finding the Fourth Proportional to 172,616,173.80, 258,924,260.70 and 155,297,466.60

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Solution

The fourth proportional to 172,616,173.80, 258,924,260.70 and 155,297,466.60 is: 232,946,199.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,616,173.80 : 258,924,260.70 = 155,297,466.60 : x
  2. Step 2: Convert to fraction form
    172,616,173.80/258,924,260.70 = 155,297,466.60/x
  3. Step 3: Cross multiply
    172,616,173.80x = 258,924,260.70 × 155,297,466.60
  4. Step 4: Simplify right side
    172,616,173.80x = 40,210,281,727,987,936
  5. Step 5: Solve for x
    x = 40,210,281,727,987,936/172,616,173.80
  6. Step 6: Final answer
    x = 232,946,199.90

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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.