Finding the Fourth Proportional to 223,548,543.48, 308,497,004.84 and 124,427,163.68
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Solution
The fourth proportional to 223,548,543.48, 308,497,004.84 and 124,427,163.68 is: 171,709,494.13
Step by Step Solution
- Step 1: Write the proportion equation
223,548,543.48 : 308,497,004.84 = 124,427,163.68 : x - Step 2: Convert to fraction form
223,548,543.48/308,497,004.84 = 124,427,163.68/x - Step 3: Cross multiply
223,548,543.48x = 308,497,004.84 × 124,427,163.68 - Step 4: Simplify right side
223,548,543.48x = 38,385,407,313,851,808 - Step 5: Solve for x
x = 38,385,407,313,851,808/223,548,543.48 - Step 6: Final answer
x = 171,709,494.13
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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.