Finding the Fourth Proportional to 152,675,052.66, 210,764,751.57 and 93,988,023.03
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Solution
The fourth proportional to 152,675,052.66, 210,764,751.57 and 93,988,023.03 is: 129,748,521.32
Step by Step Solution
- Step 1: Write the proportion equation
152,675,052.66 : 210,764,751.57 = 93,988,023.03 : x - Step 2: Convert to fraction form
152,675,052.66/210,764,751.57 = 93,988,023.03/x - Step 3: Cross multiply
152,675,052.66x = 210,764,751.57 × 93,988,023.03 - Step 4: Simplify right side
152,675,052.66x = 19,809,362,324,473,388 - Step 5: Solve for x
x = 19,809,362,324,473,388/152,675,052.66 - Step 6: Final answer
x = 129,748,521.32
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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.