Finding the Fourth Proportional to 66,069,661.08, 98,953,529.06 and 31,550,243.02
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Solution
The fourth proportional to 66,069,661.08, 98,953,529.06 and 31,550,243.02 is: 47,253,275.38
Step by Step Solution
- Step 1: Write the proportion equation
66,069,661.08 : 98,953,529.06 = 31,550,243.02 : x - Step 2: Convert to fraction form
66,069,661.08/98,953,529.06 = 31,550,243.02/x - Step 3: Cross multiply
66,069,661.08x = 98,953,529.06 × 31,550,243.02 - Step 4: Simplify right side
66,069,661.08x = 3,122,007,889,529,632 - Step 5: Solve for x
x = 3,122,007,889,529,632/66,069,661.08 - Step 6: Final answer
x = 47,253,275.38
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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.