Finding the Fourth Proportional to 106,413,430.28, 146,850,468.84 and 57,520,858.28
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Solution
The fourth proportional to 106,413,430.28, 146,850,468.84 and 57,520,858.28 is: 79,378,749.32
Step by Step Solution
- Step 1: Write the proportion equation
106,413,430.28 : 146,850,468.84 = 57,520,858.28 : x - Step 2: Convert to fraction form
106,413,430.28/146,850,468.84 = 57,520,858.28/x - Step 3: Cross multiply
106,413,430.28x = 146,850,468.84 × 57,520,858.28 - Step 4: Simplify right side
106,413,430.28x = 8,446,965,006,497,196 - Step 5: Solve for x
x = 8,446,965,006,497,196/106,413,430.28 - Step 6: Final answer
x = 79,378,749.32
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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.