Finding the Fourth Proportional to 59,246,390.64, 81,724,268.62 and 39,129,511.72
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Solution
The fourth proportional to 59,246,390.64, 81,724,268.62 and 39,129,511.72 is: 53,975,114.64
Step by Step Solution
- Step 1: Write the proportion equation
59,246,390.64 : 81,724,268.62 = 39,129,511.72 : x - Step 2: Convert to fraction form
59,246,390.64/81,724,268.62 = 39,129,511.72/x - Step 3: Cross multiply
59,246,390.64x = 81,724,268.62 × 39,129,511.72 - Step 4: Simplify right side
59,246,390.64x = 3,197,830,726,774,718.50 - Step 5: Solve for x
x = 3,197,830,726,774,718.50/59,246,390.64 - Step 6: Final answer
x = 53,975,114.64
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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.