Finding the Fourth Proportional to 124,845,365.80, 187,268,048.70 and 109,728,821.80
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Solution
The fourth proportional to 124,845,365.80, 187,268,048.70 and 109,728,821.80 is: 164,593,232.70
Step by Step Solution
- Step 1: Write the proportion equation
124,845,365.80 : 187,268,048.70 = 109,728,821.80 : x - Step 2: Convert to fraction form
124,845,365.80/187,268,048.70 = 109,728,821.80/x - Step 3: Cross multiply
124,845,365.80x = 187,268,048.70 × 109,728,821.80 - Step 4: Simplify right side
124,845,365.80x = 20,548,702,344,636,020 - Step 5: Solve for x
x = 20,548,702,344,636,020/124,845,365.80 - Step 6: Final answer
x = 164,593,232.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.