Finding the Fourth Proportional to 165,795,570.19, 228,793,845.72 and 91,454,503.06
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Solution
The fourth proportional to 165,795,570.19, 228,793,845.72 and 91,454,503.06 is: 126,204,985.09
Step by Step Solution
- Step 1: Write the proportion equation
165,795,570.19 : 228,793,845.72 = 91,454,503.06 : x - Step 2: Convert to fraction form
165,795,570.19/228,793,845.72 = 91,454,503.06/x - Step 3: Cross multiply
165,795,570.19x = 228,793,845.72 × 91,454,503.06 - Step 4: Simplify right side
165,795,570.19x = 20,924,227,463,508,908 - Step 5: Solve for x
x = 20,924,227,463,508,908/165,795,570.19 - Step 6: Final answer
x = 126,204,985.09
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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.