Finding the Fourth Proportional to 58,968,090.36, 81,327,835.98 and 49,512,366.84
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Solution
The fourth proportional to 58,968,090.36, 81,327,835.98 and 49,512,366.84 is: 68,286,655.12
Step by Step Solution
- Step 1: Write the proportion equation
58,968,090.36 : 81,327,835.98 = 49,512,366.84 : x - Step 2: Convert to fraction form
58,968,090.36/81,327,835.98 = 49,512,366.84/x - Step 3: Cross multiply
58,968,090.36x = 81,327,835.98 × 49,512,366.84 - Step 4: Simplify right side
58,968,090.36x = 4,026,733,649,345,111.50 - Step 5: Solve for x
x = 4,026,733,649,345,111.50/58,968,090.36 - Step 6: Final answer
x = 68,286,655.12
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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.