Finding the Fourth Proportional to 96,943,613.80, 133,777,510.44 and 52,887,985.96
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Solution
The fourth proportional to 96,943,613.80, 133,777,510.44 and 52,887,985.96 is: 72,982,869.28
Step by Step Solution
- Step 1: Write the proportion equation
96,943,613.80 : 133,777,510.44 = 52,887,985.96 : x - Step 2: Convert to fraction form
96,943,613.80/133,777,510.44 = 52,887,985.96/x - Step 3: Cross multiply
96,943,613.80x = 133,777,510.44 × 52,887,985.96 - Step 4: Simplify right side
96,943,613.80x = 7,075,223,093,914,473 - Step 5: Solve for x
x = 7,075,223,093,914,473/96,943,613.80 - Step 6: Final answer
x = 72,982,869.28
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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.