Finding the Fourth Proportional to 270,014,687.28, 372,592,302.84 and 152,552,841.84
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Solution
The fourth proportional to 270,014,687.28, 372,592,302.84 and 152,552,841.84 is: 210,507,121.74
Step by Step Solution
- Step 1: Write the proportion equation
270,014,687.28 : 372,592,302.84 = 152,552,841.84 : x - Step 2: Convert to fraction form
270,014,687.28/372,592,302.84 = 152,552,841.84/x - Step 3: Cross multiply
270,014,687.28x = 372,592,302.84 × 152,552,841.84 - Step 4: Simplify right side
270,014,687.28x = 56,840,014,645,951,904 - Step 5: Solve for x
x = 56,840,014,645,951,904/270,014,687.28 - Step 6: Final answer
x = 210,507,121.74
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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.