Finding the Fourth Proportional to 70,864,628.63, 97,793,186.72 and 38,269,580.63
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Solution
The fourth proportional to 70,864,628.63, 97,793,186.72 and 38,269,580.63 is: 52,812,020.84
Step by Step Solution
- Step 1: Write the proportion equation
70,864,628.63 : 97,793,186.72 = 38,269,580.63 : x - Step 2: Convert to fraction form
70,864,628.63/97,793,186.72 = 38,269,580.63/x - Step 3: Cross multiply
70,864,628.63x = 97,793,186.72 × 38,269,580.63 - Step 4: Simplify right side
70,864,628.63x = 3,742,504,244,245,685.50 - Step 5: Solve for x
x = 3,742,504,244,245,685.50/70,864,628.63 - Step 6: Final answer
x = 52,812,020.84
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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.