Finding the Fourth Proportional to 88,213,047.84, 121,716,166.32 and 51,536,532.96
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Solution
The fourth proportional to 88,213,047.84, 121,716,166.32 and 51,536,532.96 is: 71,109,993.03
Step by Step Solution
- Step 1: Write the proportion equation
88,213,047.84 : 121,716,166.32 = 51,536,532.96 : x - Step 2: Convert to fraction form
88,213,047.84/121,716,166.32 = 51,536,532.96/x - Step 3: Cross multiply
88,213,047.84x = 121,716,166.32 × 51,536,532.96 - Step 4: Simplify right side
88,213,047.84x = 6,272,829,217,315,522 - Step 5: Solve for x
x = 6,272,829,217,315,522/88,213,047.84 - Step 6: Final answer
x = 71,109,993.03
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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.