Finding the Fourth Proportional to 121,837,114.24, 182,696,885.44 and 70,731,998.08
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Solution
The fourth proportional to 121,837,114.24, 182,696,885.44 and 70,731,998.08 is: 106,063,869.21
Step by Step Solution
- Step 1: Write the proportion equation
121,837,114.24 : 182,696,885.44 = 70,731,998.08 : x - Step 2: Convert to fraction form
121,837,114.24/182,696,885.44 = 70,731,998.08/x - Step 3: Cross multiply
121,837,114.24x = 182,696,885.44 × 70,731,998.08 - Step 4: Simplify right side
121,837,114.24x = 12,922,515,750,164,060 - Step 5: Solve for x
x = 12,922,515,750,164,060/121,837,114.24 - Step 6: Final answer
x = 106,063,869.21
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.