Finding the Fourth Proportional to 75,631,549.08, 104,419,807.44 and 61,726,122
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Solution
The fourth proportional to 75,631,549.08, 104,419,807.44 and 61,726,122 is: 85,221,443.32
Step by Step Solution
- Step 1: Write the proportion equation
75,631,549.08 : 104,419,807.44 = 61,726,122 : x - Step 2: Convert to fraction form
75,631,549.08/104,419,807.44 = 61,726,122/x - Step 3: Cross multiply
75,631,549.08x = 104,419,807.44 × 61,726,122 - Step 4: Simplify right side
75,631,549.08x = 6,445,429,773,257,948 - Step 5: Solve for x
x = 6,445,429,773,257,948/75,631,549.08 - Step 6: Final answer
x = 85,221,443.32
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1.5x scale
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.