Finding the Fourth Proportional to 135,411,582.96, 186,865,315.47 and 79,663,028.40
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Solution
The fourth proportional to 135,411,582.96, 186,865,315.47 and 79,663,028.40 is: 109,933,409.00
Step by Step Solution
- Step 1: Write the proportion equation
135,411,582.96 : 186,865,315.47 = 79,663,028.40 : x - Step 2: Convert to fraction form
135,411,582.96/186,865,315.47 = 79,663,028.40/x - Step 3: Cross multiply
135,411,582.96x = 186,865,315.47 × 79,663,028.40 - Step 4: Simplify right side
135,411,582.96x = 14,886,256,933,261,570 - Step 5: Solve for x
x = 14,886,256,933,261,570/135,411,582.96 - Step 6: Final answer
x = 109,933,409.00
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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.