Finding the Fourth Proportional to 129,872,569.80, 194,804,129.82 and 38,993,796.84
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Solution
The fourth proportional to 129,872,569.80, 194,804,129.82 and 38,993,796.84 is: 58,489,276.63
Step by Step Solution
- Step 1: Write the proportion equation
129,872,569.80 : 194,804,129.82 = 38,993,796.84 : x - Step 2: Convert to fraction form
129,872,569.80/194,804,129.82 = 38,993,796.84/x - Step 3: Cross multiply
129,872,569.80x = 194,804,129.82 × 38,993,796.84 - Step 4: Simplify right side
129,872,569.80x = 7,596,152,661,794,066 - Step 5: Solve for x
x = 7,596,152,661,794,066/129,872,569.80 - Step 6: Final answer
x = 58,489,276.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.