Finding the Fourth Proportional to 272,125,790.97, 375,565,473.06 and 154,668,777.09
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Solution
The fourth proportional to 272,125,790.97, 375,565,473.06 and 154,668,777.09 is: 213,461,032.96
Step by Step Solution
- Step 1: Write the proportion equation
272,125,790.97 : 375,565,473.06 = 154,668,777.09 : x - Step 2: Convert to fraction form
272,125,790.97/375,565,473.06 = 154,668,777.09/x - Step 3: Cross multiply
272,125,790.97x = 375,565,473.06 × 154,668,777.09 - Step 4: Simplify right side
272,125,790.97x = 58,088,252,435,417,544 - Step 5: Solve for x
x = 58,088,252,435,417,544/272,125,790.97 - Step 6: Final answer
x = 213,461,032.96
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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.