Finding the Fourth Proportional to 248,239,596.57, 342,570,627.04 and 143,878,202.81
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Solution
The fourth proportional to 248,239,596.57, 342,570,627.04 and 143,878,202.81 is: 198,551,910.46
Step by Step Solution
- Step 1: Write the proportion equation
248,239,596.57 : 342,570,627.04 = 143,878,202.81 : x - Step 2: Convert to fraction form
248,239,596.57/342,570,627.04 = 143,878,202.81/x - Step 3: Cross multiply
248,239,596.57x = 342,570,627.04 × 143,878,202.81 - Step 4: Simplify right side
248,239,596.57x = 49,288,446,151,937,448 - Step 5: Solve for x
x = 49,288,446,151,937,448/248,239,596.57 - Step 6: Final answer
x = 198,551,910.46
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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.