Finding the Fourth Proportional to 229,627,812.79, 344,345,948.66 and 72,020,220.70
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Solution
The fourth proportional to 229,627,812.79, 344,345,948.66 and 72,020,220.70 is: 108,000,293.69
Step by Step Solution
- Step 1: Write the proportion equation
229,627,812.79 : 344,345,948.66 = 72,020,220.70 : x - Step 2: Convert to fraction form
229,627,812.79/344,345,948.66 = 72,020,220.70/x - Step 3: Cross multiply
229,627,812.79x = 344,345,948.66 × 72,020,220.70 - Step 4: Simplify right side
229,627,812.79x = 24,799,871,219,644,072 - Step 5: Solve for x
x = 24,799,871,219,644,072/229,627,812.79 - Step 6: Final answer
x = 108,000,293.69
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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.