Finding the Fourth Proportional to 91,059,486.74, 125,703,129.34 and 58,064,086.52
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Solution
The fourth proportional to 91,059,486.74, 125,703,129.34 and 58,064,086.52 is: 80,154,607.05
Step by Step Solution
- Step 1: Write the proportion equation
91,059,486.74 : 125,703,129.34 = 58,064,086.52 : x - Step 2: Convert to fraction form
91,059,486.74/125,703,129.34 = 58,064,086.52/x - Step 3: Cross multiply
91,059,486.74x = 125,703,129.34 × 58,064,086.52 - Step 4: Simplify right side
91,059,486.74x = 7,298,837,378,128,141 - Step 5: Solve for x
x = 7,298,837,378,128,141/91,059,486.74 - Step 6: Final answer
x = 80,154,607.05
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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.