Finding the Fourth Proportional to 129,820,069.80, 194,730,104.70 and 38,943,658.80
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Solution
The fourth proportional to 129,820,069.80, 194,730,104.70 and 38,943,658.80 is: 58,415,488.20
Step by Step Solution
- Step 1: Write the proportion equation
129,820,069.80 : 194,730,104.70 = 38,943,658.80 : x - Step 2: Convert to fraction form
129,820,069.80/194,730,104.70 = 38,943,658.80/x - Step 3: Cross multiply
129,820,069.80x = 194,730,104.70 × 38,943,658.80 - Step 4: Simplify right side
129,820,069.80x = 7,583,502,755,525,075 - Step 5: Solve for x
x = 7,583,502,755,525,075/129,820,069.80 - Step 6: Final answer
x = 58,415,488.20
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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.