Finding the Fourth Proportional to 276,599,939.08, 381,729,675.12 and 157,527,566.40
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Solution
The fourth proportional to 276,599,939.08, 381,729,675.12 and 157,527,566.40 is: 217,400,433.80
Step by Step Solution
- Step 1: Write the proportion equation
276,599,939.08 : 381,729,675.12 = 157,527,566.40 : x - Step 2: Convert to fraction form
276,599,939.08/381,729,675.12 = 157,527,566.40/x - Step 3: Cross multiply
276,599,939.08x = 381,729,675.12 × 157,527,566.40 - Step 4: Simplify right side
276,599,939.08x = 60,132,946,744,316,232 - Step 5: Solve for x
x = 60,132,946,744,316,232/276,599,939.08 - Step 6: Final answer
x = 217,400,433.80
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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.