Finding the Fourth Proportional to 77,530,207.14, 106,992,403.32 and 42,724,143.12
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Solution
The fourth proportional to 77,530,207.14, 106,992,403.32 and 42,724,143.12 is: 58,959,712.88
Step by Step Solution
- Step 1: Write the proportion equation
77,530,207.14 : 106,992,403.32 = 42,724,143.12 : x - Step 2: Convert to fraction form
77,530,207.14/106,992,403.32 = 42,724,143.12/x - Step 3: Cross multiply
77,530,207.14x = 106,992,403.32 × 42,724,143.12 - Step 4: Simplify right side
77,530,207.14x = 4,571,158,752,196,443 - Step 5: Solve for x
x = 4,571,158,752,196,443/77,530,207.14 - Step 6: Final answer
x = 58,959,712.88
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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.