Finding the Fourth Proportional to 223,703,571.36, 308,720,506.30 and 124,584,318.48
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Solution
The fourth proportional to 223,703,571.36, 308,720,506.30 and 124,584,318.48 is: 171,931,693.55
Step by Step Solution
- Step 1: Write the proportion equation
223,703,571.36 : 308,720,506.30 = 124,584,318.48 : x - Step 2: Convert to fraction form
223,703,571.36/308,720,506.30 = 124,584,318.48/x - Step 3: Cross multiply
223,703,571.36x = 308,720,506.30 × 124,584,318.48 - Step 4: Simplify right side
223,703,571.36x = 38,461,733,878,186,048 - Step 5: Solve for x
x = 38,461,733,878,186,048/223,703,571.36 - Step 6: Final answer
x = 171,931,693.55
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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.