Home / 165,920,005.80-248,880,008.70-104,698,002.60

Finding the Fourth Proportional to 165,920,005.80, 248,880,008.70 and 104,698,002.60

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Solution

The fourth proportional to 165,920,005.80, 248,880,008.70 and 104,698,002.60 is: 157,047,003.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,920,005.80 : 248,880,008.70 = 104,698,002.60 : x
  2. Step 2: Convert to fraction form
    165,920,005.80/248,880,008.70 = 104,698,002.60/x
  3. Step 3: Cross multiply
    165,920,005.80x = 248,880,008.70 × 104,698,002.60
  4. Step 4: Simplify right side
    165,920,005.80x = 26,057,239,797,960,620
  5. Step 5: Solve for x
    x = 26,057,239,797,960,620/165,920,005.80
  6. Step 6: Final answer
    x = 157,047,003.90

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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.