Finding the Fourth Proportional to 84,875,458.28, 127,059,420.38 and 51,982,450.76
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Solution
The fourth proportional to 84,875,458.28, 127,059,420.38 and 51,982,450.76 is: 77,818,255.09
Step by Step Solution
- Step 1: Write the proportion equation
84,875,458.28 : 127,059,420.38 = 51,982,450.76 : x - Step 2: Convert to fraction form
84,875,458.28/127,059,420.38 = 51,982,450.76/x - Step 3: Cross multiply
84,875,458.28x = 127,059,420.38 × 51,982,450.76 - Step 4: Simplify right side
84,875,458.28x = 6,604,860,063,497,490 - Step 5: Solve for x
x = 6,604,860,063,497,490/84,875,458.28 - Step 6: Final answer
x = 77,818,255.09
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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.