Finding the Fourth Proportional to 101,729,350.14, 140,382,264.48 and 57,679,326.12
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Solution
The fourth proportional to 101,729,350.14, 140,382,264.48 and 57,679,326.12 is: 79,595,066.75
Step by Step Solution
- Step 1: Write the proportion equation
101,729,350.14 : 140,382,264.48 = 57,679,326.12 : x - Step 2: Convert to fraction form
101,729,350.14/140,382,264.48 = 57,679,326.12/x - Step 3: Cross multiply
101,729,350.14x = 140,382,264.48 × 57,679,326.12 - Step 4: Simplify right side
101,729,350.14x = 8,097,154,414,406,011 - Step 5: Solve for x
x = 8,097,154,414,406,011/101,729,350.14 - Step 6: Final answer
x = 79,595,066.75
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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.