Finding the Fourth Proportional to 103,673,987.62, 155,519,911.68 and 26,997,155.26
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Solution
The fourth proportional to 103,673,987.62, 155,519,911.68 and 26,997,155.26 is: 40,498,058.37
Step by Step Solution
- Step 1: Write the proportion equation
103,673,987.62 : 155,519,911.68 = 26,997,155.26 : x - Step 2: Convert to fraction form
103,673,987.62/155,519,911.68 = 26,997,155.26/x - Step 3: Cross multiply
103,673,987.62x = 155,519,911.68 × 26,997,155.26 - Step 4: Simplify right side
103,673,987.62x = 4,198,595,201,646,448 - Step 5: Solve for x
x = 4,198,595,201,646,448/103,673,987.62 - Step 6: Final answer
x = 40,498,058.37
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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.