Finding the Fourth Proportional to 162,487,566.20, 243,589,631.70 and 97,817,101.40
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Solution
The fourth proportional to 162,487,566.20, 243,589,631.70 and 97,817,101.40 is: 146,640,338.47
Step by Step Solution
- Step 1: Write the proportion equation
162,487,566.20 : 243,589,631.70 = 97,817,101.40 : x - Step 2: Convert to fraction form
162,487,566.20/243,589,631.70 = 97,817,101.40/x - Step 3: Cross multiply
162,487,566.20x = 243,589,631.70 × 97,817,101.40 - Step 4: Simplify right side
162,487,566.20x = 23,827,231,703,987,556 - Step 5: Solve for x
x = 23,827,231,703,987,556/162,487,566.20 - Step 6: Final answer
x = 146,640,338.47
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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.