Finding the Fourth Proportional to 248,276,602.80, 342,569,292.12 and 143,848,315.08
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Solution
The fourth proportional to 248,276,602.80, 342,569,292.12 and 143,848,315.08 is: 198,480,303.48
Step by Step Solution
- Step 1: Write the proportion equation
248,276,602.80 : 342,569,292.12 = 143,848,315.08 : x - Step 2: Convert to fraction form
248,276,602.80/342,569,292.12 = 143,848,315.08/x - Step 3: Cross multiply
248,276,602.80x = 342,569,292.12 × 143,848,315.08 - Step 4: Simplify right side
248,276,602.80x = 49,278,015,469,610,328 - Step 5: Solve for x
x = 49,278,015,469,610,328/248,276,602.80 - Step 6: Final answer
x = 198,480,303.48
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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.