Finding the Fourth Proportional to 161,705,514.65, 242,558,271.98 and 88,894,161.05
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Solution
The fourth proportional to 161,705,514.65, 242,558,271.98 and 88,894,161.05 is: 133,341,241.58
Step by Step Solution
- Step 1: Write the proportion equation
161,705,514.65 : 242,558,271.98 = 88,894,161.05 : x - Step 2: Convert to fraction form
161,705,514.65/242,558,271.98 = 88,894,161.05/x - Step 3: Cross multiply
161,705,514.65x = 242,558,271.98 × 88,894,161.05 - Step 4: Simplify right side
161,705,514.65x = 21,562,014,092,955,352 - Step 5: Solve for x
x = 21,562,014,092,955,352/161,705,514.65 - Step 6: Final answer
x = 133,341,241.58
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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.