Finding the Fourth Proportional to 113,921,111.04, 157,207,885.32 and 66,877,428.03
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Solution
The fourth proportional to 113,921,111.04, 157,207,885.32 and 66,877,428.03 is: 92,288,943.99
Step by Step Solution
- Step 1: Write the proportion equation
113,921,111.04 : 157,207,885.32 = 66,877,428.03 : x - Step 2: Convert to fraction form
113,921,111.04/157,207,885.32 = 66,877,428.03/x - Step 3: Cross multiply
113,921,111.04x = 157,207,885.32 × 66,877,428.03 - Step 4: Simplify right side
113,921,111.04x = 10,513,659,036,236,794 - Step 5: Solve for x
x = 10,513,659,036,236,794/113,921,111.04 - Step 6: Final answer
x = 92,288,943.99
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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.