Finding the Fourth Proportional to 165,397,373.12, 228,244,203.06 and 91,057,191.70
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Solution
The fourth proportional to 165,397,373.12, 228,244,203.06 and 91,057,191.70 is: 125,656,627.80
Step by Step Solution
- Step 1: Write the proportion equation
165,397,373.12 : 228,244,203.06 = 91,057,191.70 : x - Step 2: Convert to fraction form
165,397,373.12/228,244,203.06 = 91,057,191.70/x - Step 3: Cross multiply
165,397,373.12x = 228,244,203.06 × 91,057,191.70 - Step 4: Simplify right side
165,397,373.12x = 20,783,276,152,448,148 - Step 5: Solve for x
x = 20,783,276,152,448,148/165,397,373.12 - Step 6: Final answer
x = 125,656,627.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.