Finding the Fourth Proportional to 134,918,629.11, 186,187,770.87 and 73,038,967.68
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Solution
The fourth proportional to 134,918,629.11, 186,187,770.87 and 73,038,967.68 is: 100,793,809.34
Step by Step Solution
- Step 1: Write the proportion equation
134,918,629.11 : 186,187,770.87 = 73,038,967.68 : x - Step 2: Convert to fraction form
134,918,629.11/186,187,770.87 = 73,038,967.68/x - Step 3: Cross multiply
134,918,629.11x = 186,187,770.87 × 73,038,967.68 - Step 4: Simplify right side
134,918,629.11x = 13,598,962,578,985,178 - Step 5: Solve for x
x = 13,598,962,578,985,178/134,918,629.11 - Step 6: Final answer
x = 100,793,809.34
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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.