Finding the Fourth Proportional to 135,439,523.27, 186,907,498.64 and 73,559,861.82
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Solution
The fourth proportional to 135,439,523.27, 186,907,498.64 and 73,559,861.82 is: 101,513,128.82
Step by Step Solution
- Step 1: Write the proportion equation
135,439,523.27 : 186,907,498.64 = 73,559,861.82 : x - Step 2: Convert to fraction form
135,439,523.27/186,907,498.64 = 73,559,861.82/x - Step 3: Cross multiply
135,439,523.27x = 186,907,498.64 × 73,559,861.82 - Step 4: Simplify right side
135,439,523.27x = 13,748,889,772,712,436 - Step 5: Solve for x
x = 13,748,889,772,712,436/135,439,523.27 - Step 6: Final answer
x = 101,513,128.82
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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.