Finding the Fourth Proportional to 233,818,488.91, 322,656,385.95 and 127,971,687.79
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Solution
The fourth proportional to 233,818,488.91, 322,656,385.95 and 127,971,687.79 is: 176,593,743.63
Step by Step Solution
- Step 1: Write the proportion equation
233,818,488.91 : 322,656,385.95 = 127,971,687.79 : x - Step 2: Convert to fraction form
233,818,488.91/322,656,385.95 = 127,971,687.79/x - Step 3: Cross multiply
233,818,488.91x = 322,656,385.95 × 127,971,687.79 - Step 4: Simplify right side
233,818,488.91x = 41,290,882,285,436,496 - Step 5: Solve for x
x = 41,290,882,285,436,496/233,818,488.91 - Step 6: Final answer
x = 176,593,743.63
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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.