Home / 167,860,431.80-251,790,647.70-99,668,022.20

Finding the Fourth Proportional to 167,860,431.80, 251,790,647.70 and 99,668,022.20

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Solution

The fourth proportional to 167,860,431.80, 251,790,647.70 and 99,668,022.20 is: 149,502,033.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,860,431.80 : 251,790,647.70 = 99,668,022.20 : x
  2. Step 2: Convert to fraction form
    167,860,431.80/251,790,647.70 = 99,668,022.20/x
  3. Step 3: Cross multiply
    167,860,431.80x = 251,790,647.70 × 99,668,022.20
  4. Step 4: Simplify right side
    167,860,431.80x = 25,095,475,864,715,980
  5. Step 5: Solve for x
    x = 25,095,475,864,715,980/167,860,431.80
  6. Step 6: Final answer
    x = 149,502,033.30

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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.