Finding the Fourth Proportional to 58,660,280.21, 87,990,420.45 and 31,283,631.99
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Solution
The fourth proportional to 58,660,280.21, 87,990,420.45 and 31,283,631.99 is: 46,925,448.06
Step by Step Solution
- Step 1: Write the proportion equation
58,660,280.21 : 87,990,420.45 = 31,283,631.99 : x - Step 2: Convert to fraction form
58,660,280.21/87,990,420.45 = 31,283,631.99/x - Step 3: Cross multiply
58,660,280.21x = 87,990,420.45 × 31,283,631.99 - Step 4: Simplify right side
58,660,280.21x = 2,752,659,932,003,170 - Step 5: Solve for x
x = 2,752,659,932,003,170/58,660,280.21 - Step 6: Final answer
x = 46,925,448.06
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.