Finding the Fourth Proportional to 107,772,857.67, 148,726,603.26 and 58,213,231.14
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Solution
The fourth proportional to 107,772,857.67, 148,726,603.26 and 58,213,231.14 is: 80,334,291.21
Step by Step Solution
- Step 1: Write the proportion equation
107,772,857.67 : 148,726,603.26 = 58,213,231.14 : x - Step 2: Convert to fraction form
107,772,857.67/148,726,603.26 = 58,213,231.14/x - Step 3: Cross multiply
107,772,857.67x = 148,726,603.26 × 58,213,231.14 - Step 4: Simplify right side
107,772,857.67x = 8,657,856,132,241,457 - Step 5: Solve for x
x = 8,657,856,132,241,457/107,772,857.67 - Step 6: Final answer
x = 80,334,291.21
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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.