Finding the Fourth Proportional to 315,026,808.20, 472,398,494.70 and 120,873,696.20
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Solution
The fourth proportional to 315,026,808.20, 472,398,494.70 and 120,873,696.20 is: 181,256,168.20
Step by Step Solution
- Step 1: Write the proportion equation
315,026,808.20 : 472,398,494.70 = 120,873,696.20 : x - Step 2: Convert to fraction form
315,026,808.20/472,398,494.70 = 120,873,696.20/x - Step 3: Cross multiply
315,026,808.20x = 472,398,494.70 × 120,873,696.20 - Step 4: Simplify right side
315,026,808.20x = 57,100,552,133,705,112 - Step 5: Solve for x
x = 57,100,552,133,705,112/315,026,808.20 - Step 6: Final answer
x = 181,256,168.20
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.