Finding the Fourth Proportional to 276,804,534.90, 415,206,802.35 and 161,729,843.70
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Solution
The fourth proportional to 276,804,534.90, 415,206,802.35 and 161,729,843.70 is: 242,594,765.55
Step by Step Solution
- Step 1: Write the proportion equation
276,804,534.90 : 415,206,802.35 = 161,729,843.70 : x - Step 2: Convert to fraction form
276,804,534.90/415,206,802.35 = 161,729,843.70/x - Step 3: Cross multiply
276,804,534.90x = 415,206,802.35 × 161,729,843.70 - Step 4: Simplify right side
276,804,534.90x = 67,151,331,247,242,288 - Step 5: Solve for x
x = 67,151,331,247,242,288/276,804,534.90 - Step 6: Final answer
x = 242,594,765.55
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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.