Finding the Fourth Proportional to 216,919,042.08, 299,347,352.07 and 117,799,095.42
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Solution
The fourth proportional to 216,919,042.08, 299,347,352.07 and 117,799,095.42 is: 162,562,248.81
Step by Step Solution
- Step 1: Write the proportion equation
216,919,042.08 : 299,347,352.07 = 117,799,095.42 : x - Step 2: Convert to fraction form
216,919,042.08/299,347,352.07 = 117,799,095.42/x - Step 3: Cross multiply
216,919,042.08x = 299,347,352.07 × 117,799,095.42 - Step 4: Simplify right side
216,919,042.08x = 35,262,847,290,218,264 - Step 5: Solve for x
x = 35,262,847,290,218,264/216,919,042.08 - Step 6: Final answer
x = 162,562,248.81
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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.