Finding the Fourth Proportional to 168,687,437.89, 232,786,943.23 and 94,347,820.99
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Solution
The fourth proportional to 168,687,437.89, 232,786,943.23 and 94,347,820.99 is: 130,199,030.37
Step by Step Solution
- Step 1: Write the proportion equation
168,687,437.89 : 232,786,943.23 = 94,347,820.99 : x - Step 2: Convert to fraction form
168,687,437.89/232,786,943.23 = 94,347,820.99/x - Step 3: Cross multiply
168,687,437.89x = 232,786,943.23 × 94,347,820.99 - Step 4: Simplify right side
168,687,437.89x = 21,962,940,848,251,224 - Step 5: Solve for x
x = 21,962,940,848,251,224/168,687,437.89 - Step 6: Final answer
x = 130,199,030.37
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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.