Finding the Fourth Proportional to 147,631,506.34, 203,727,530.09 and 81,550,582.36
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Solution
The fourth proportional to 147,631,506.34, 203,727,530.09 and 81,550,582.36 is: 112,537,622.45
Step by Step Solution
- Step 1: Write the proportion equation
147,631,506.34 : 203,727,530.09 = 81,550,582.36 : x - Step 2: Convert to fraction form
147,631,506.34/203,727,530.09 = 81,550,582.36/x - Step 3: Cross multiply
147,631,506.34x = 203,727,530.09 × 81,550,582.36 - Step 4: Simplify right side
147,631,506.34x = 16,614,098,722,444,448 - Step 5: Solve for x
x = 16,614,098,722,444,448/147,631,506.34 - Step 6: Final answer
x = 112,537,622.45
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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.