Finding the Fourth Proportional to 71,230,273, 98,296,812.12 and 39,868,312.66
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Solution
The fourth proportional to 71,230,273, 98,296,812.12 and 39,868,312.66 is: 55,017,731.56
Step by Step Solution
- Step 1: Write the proportion equation
71,230,273 : 98,296,812.12 = 39,868,312.66 : x - Step 2: Convert to fraction form
71,230,273/98,296,812.12 = 39,868,312.66/x - Step 3: Cross multiply
71,230,273x = 98,296,812.12 × 39,868,312.66 - Step 4: Simplify right side
71,230,273x = 3,918,928,039,081,437.50 - Step 5: Solve for x
x = 3,918,928,039,081,437.50/71,230,273 - Step 6: Final answer
x = 55,017,731.56
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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.