Finding the Fourth Proportional to 229,880,420.80, 344,988,592.80 and 161,855,972.80
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Solution
The fourth proportional to 229,880,420.80, 344,988,592.80 and 161,855,972.80 is: 242,902,218.89
Step by Step Solution
- Step 1: Write the proportion equation
229,880,420.80 : 344,988,592.80 = 161,855,972.80 : x - Step 2: Convert to fraction form
229,880,420.80/344,988,592.80 = 161,855,972.80/x - Step 3: Cross multiply
229,880,420.80x = 344,988,592.80 × 161,855,972.80 - Step 4: Simplify right side
229,880,420.80x = 55,838,464,292,547,080 - Step 5: Solve for x
x = 55,838,464,292,547,080/229,880,420.80 - Step 6: Final answer
x = 242,902,218.89
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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.