Finding the Fourth Proportional to 229,929,421.80, 344,894,132.70 and 218,592,013.80
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Solution
The fourth proportional to 229,929,421.80, 344,894,132.70 and 218,592,013.80 is: 327,888,020.70
Step by Step Solution
- Step 1: Write the proportion equation
229,929,421.80 : 344,894,132.70 = 218,592,013.80 : x - Step 2: Convert to fraction form
229,929,421.80/344,894,132.70 = 218,592,013.80/x - Step 3: Cross multiply
229,929,421.80x = 344,894,132.70 × 218,592,013.80 - Step 4: Simplify right side
229,929,421.80x = 75,391,103,014,697,440 - Step 5: Solve for x
x = 75,391,103,014,697,440/229,929,421.80 - Step 6: Final answer
x = 327,888,020.70
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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.