Finding the Fourth Proportional to 102,271,818.24, 141,134,949.12 and 55,862,071.68
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Solution
The fourth proportional to 102,271,818.24, 141,134,949.12 and 55,862,071.68 is: 77,089,571.50
Step by Step Solution
- Step 1: Write the proportion equation
102,271,818.24 : 141,134,949.12 = 55,862,071.68 : x - Step 2: Convert to fraction form
102,271,818.24/141,134,949.12 = 55,862,071.68/x - Step 3: Cross multiply
102,271,818.24x = 141,134,949.12 × 55,862,071.68 - Step 4: Simplify right side
102,271,818.24x = 7,884,090,644,294,593 - Step 5: Solve for x
x = 7,884,090,644,294,593/102,271,818.24 - Step 6: Final answer
x = 77,089,571.50
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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.