Finding the Fourth Proportional to 248,341,512.74, 372,569,907.60 and 84,580,688.06
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Solution
The fourth proportional to 248,341,512.74, 372,569,907.60 and 84,580,688.06 is: 126,890,662.73
Step by Step Solution
- Step 1: Write the proportion equation
248,341,512.74 : 372,569,907.60 = 84,580,688.06 : x - Step 2: Convert to fraction form
248,341,512.74/372,569,907.60 = 84,580,688.06/x - Step 3: Cross multiply
248,341,512.74x = 372,569,907.60 × 84,580,688.06 - Step 4: Simplify right side
248,341,512.74x = 31,512,219,133,395,780 - Step 5: Solve for x
x = 31,512,219,133,395,780/248,341,512.74 - Step 6: Final answer
x = 126,890,662.73
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.