Finding the Fourth Proportional to 118,483,047.09, 163,520,415.74 and 68,925,509.54
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Solution
The fourth proportional to 118,483,047.09, 163,520,415.74 and 68,925,509.54 is: 95,125,237.34
Step by Step Solution
- Step 1: Write the proportion equation
118,483,047.09 : 163,520,415.74 = 68,925,509.54 : x - Step 2: Convert to fraction form
118,483,047.09/163,520,415.74 = 68,925,509.54/x - Step 3: Cross multiply
118,483,047.09x = 163,520,415.74 × 68,925,509.54 - Step 4: Simplify right side
118,483,047.09x = 11,270,727,975,305,860 - Step 5: Solve for x
x = 11,270,727,975,305,860/118,483,047.09 - Step 6: Final answer
x = 95,125,237.34
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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.