Finding the Fourth Proportional to 177,921,058.20, 266,433,689.70 and 117,006,984.60
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Solution
The fourth proportional to 177,921,058.20, 266,433,689.70 and 117,006,984.60 is: 175,215,924.09
Step by Step Solution
- Step 1: Write the proportion equation
177,921,058.20 : 266,433,689.70 = 117,006,984.60 : x - Step 2: Convert to fraction form
177,921,058.20/266,433,689.70 = 117,006,984.60/x - Step 3: Cross multiply
177,921,058.20x = 266,433,689.70 × 117,006,984.60 - Step 4: Simplify right side
177,921,058.20x = 31,174,602,627,649,076 - Step 5: Solve for x
x = 31,174,602,627,649,076/177,921,058.20 - Step 6: Final answer
x = 175,215,924.09
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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.