Finding the Fourth Proportional to 314,930,233.80, 472,395,350.70 and 133,177,411.80
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Solution
The fourth proportional to 314,930,233.80, 472,395,350.70 and 133,177,411.80 is: 199,766,117.70
Step by Step Solution
- Step 1: Write the proportion equation
314,930,233.80 : 472,395,350.70 = 133,177,411.80 : x - Step 2: Convert to fraction form
314,930,233.80/472,395,350.70 = 133,177,411.80/x - Step 3: Cross multiply
314,930,233.80x = 472,395,350.70 × 133,177,411.80 - Step 4: Simplify right side
314,930,233.80x = 62,912,390,152,579,312 - Step 5: Solve for x
x = 62,912,390,152,579,312/314,930,233.80 - Step 6: Final answer
x = 199,766,117.70
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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.