Finding the Fourth Proportional to 97,664,877.89, 134,776,999.37 and 53,612,626.23
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Solution
The fourth proportional to 97,664,877.89, 134,776,999.37 and 53,612,626.23 is: 73,985,132.09
Step by Step Solution
- Step 1: Write the proportion equation
97,664,877.89 : 134,776,999.37 = 53,612,626.23 : x - Step 2: Convert to fraction form
97,664,877.89/134,776,999.37 = 53,612,626.23/x - Step 3: Cross multiply
97,664,877.89x = 134,776,999.37 × 53,612,626.23 - Step 4: Simplify right side
97,664,877.89x = 7,225,748,891,356,692 - Step 5: Solve for x
x = 7,225,748,891,356,692/97,664,877.89 - Step 6: Final answer
x = 73,985,132.09
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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.