Finding the Fourth Proportional to 247,721,423.84, 341,351,842.92 and 191,626,201.76
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Solution
The fourth proportional to 247,721,423.84, 341,351,842.92 and 191,626,201.76 is: 264,054,501.66
Step by Step Solution
- Step 1: Write the proportion equation
247,721,423.84 : 341,351,842.92 = 191,626,201.76 : x - Step 2: Convert to fraction form
247,721,423.84/341,351,842.92 = 191,626,201.76/x - Step 3: Cross multiply
247,721,423.84x = 341,351,842.92 × 191,626,201.76 - Step 4: Simplify right side
247,721,423.84x = 65,411,957,122,535,744 - Step 5: Solve for x
x = 65,411,957,122,535,744/247,721,423.84 - Step 6: Final answer
x = 264,054,501.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.