Finding the Fourth Proportional to 233,315,266.80, 349,891,854.84 and 129,842,376.24
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Solution
The fourth proportional to 233,315,266.80, 349,891,854.84 and 129,842,376.24 is: 194,718,461.77
Step by Step Solution
- Step 1: Write the proportion equation
233,315,266.80 : 349,891,854.84 = 129,842,376.24 : x - Step 2: Convert to fraction form
233,315,266.80/349,891,854.84 = 129,842,376.24/x - Step 3: Cross multiply
233,315,266.80x = 349,891,854.84 × 129,842,376.24 - Step 4: Simplify right side
233,315,266.80x = 45,430,789,859,446,736 - Step 5: Solve for x
x = 45,430,789,859,446,736/233,315,266.80 - Step 6: Final answer
x = 194,718,461.77
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.