Finding the Fourth Proportional to 272,712,356.94, 409,125,986.84 and 88,465,446.73
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Solution
The fourth proportional to 272,712,356.94, 409,125,986.84 and 88,465,446.73 is: 132,716,806.82
Step by Step Solution
- Step 1: Write the proportion equation
272,712,356.94 : 409,125,986.84 = 88,465,446.73 : x - Step 2: Convert to fraction form
272,712,356.94/409,125,986.84 = 88,465,446.73/x - Step 3: Cross multiply
272,712,356.94x = 409,125,986.84 × 88,465,446.73 - Step 4: Simplify right side
272,712,356.94x = 36,193,513,192,164,736 - Step 5: Solve for x
x = 36,193,513,192,164,736/272,712,356.94 - Step 6: Final answer
x = 132,716,806.82
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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.