Finding the Fourth Proportional to 193,730,058.35, 267,602,678.28 and 143,595,910.05
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Solution
The fourth proportional to 193,730,058.35, 267,602,678.28 and 143,595,910.05 is: 198,351,512.65
Step by Step Solution
- Step 1: Write the proportion equation
193,730,058.35 : 267,602,678.28 = 143,595,910.05 : x - Step 2: Convert to fraction form
193,730,058.35/267,602,678.28 = 143,595,910.05/x - Step 3: Cross multiply
193,730,058.35x = 267,602,678.28 × 143,595,910.05 - Step 4: Simplify right side
193,730,058.35x = 38,426,650,118,715,992 - Step 5: Solve for x
x = 38,426,650,118,715,992/193,730,058.35 - Step 6: Final answer
x = 198,351,512.65
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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.