Finding the Fourth Proportional to 165,356,240.93, 228,189,801.62 and 91,015,212.05
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Solution
The fourth proportional to 165,356,240.93, 228,189,801.62 and 91,015,212.05 is: 125,599,995.90
Step by Step Solution
- Step 1: Write the proportion equation
165,356,240.93 : 228,189,801.62 = 91,015,212.05 : x - Step 2: Convert to fraction form
165,356,240.93/228,189,801.62 = 91,015,212.05/x - Step 3: Cross multiply
165,356,240.93x = 228,189,801.62 × 91,015,212.05 - Step 4: Simplify right side
165,356,240.93x = 20,768,743,182,091,732 - Step 5: Solve for x
x = 20,768,743,182,091,732/165,356,240.93 - Step 6: Final answer
x = 125,599,995.90
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1.5x scale
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.