Finding the Fourth Proportional to 209,953,811.95, 314,930,717.93 and 133,048,394.35
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Solution
The fourth proportional to 209,953,811.95, 314,930,717.93 and 133,048,394.35 is: 199,572,591.53
Step by Step Solution
- Step 1: Write the proportion equation
209,953,811.95 : 314,930,717.93 = 133,048,394.35 : x - Step 2: Convert to fraction form
209,953,811.95/314,930,717.93 = 133,048,394.35/x - Step 3: Cross multiply
209,953,811.95x = 314,930,717.93 × 133,048,394.35 - Step 4: Simplify right side
209,953,811.95x = 41,901,026,352,079,256 - Step 5: Solve for x
x = 41,901,026,352,079,256/209,953,811.95 - Step 6: Final answer
x = 199,572,591.53
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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.