Finding the Fourth Proportional to 97,685,623.92, 134,806,426.28 and 53,635,475.94
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Solution
The fourth proportional to 97,685,623.92, 134,806,426.28 and 53,635,475.94 is: 74,017,102.45
Step by Step Solution
- Step 1: Write the proportion equation
97,685,623.92 : 134,806,426.28 = 53,635,475.94 : x - Step 2: Convert to fraction form
97,685,623.92/134,806,426.28 = 53,635,475.94/x - Step 3: Cross multiply
97,685,623.92x = 134,806,426.28 × 53,635,475.94 - Step 4: Simplify right side
97,685,623.92x = 7,230,406,833,298,323 - Step 5: Solve for x
x = 7,230,406,833,298,323/97,685,623.92 - Step 6: Final answer
x = 74,017,102.45
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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.