Finding the Fourth Proportional to 61,220,478.07, 84,484,260.16 and 33,718,406.32
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Solution
The fourth proportional to 61,220,478.07, 84,484,260.16 and 33,718,406.32 is: 46,531,400.95
Step by Step Solution
- Step 1: Write the proportion equation
61,220,478.07 : 84,484,260.16 = 33,718,406.32 : x - Step 2: Convert to fraction form
61,220,478.07/84,484,260.16 = 33,718,406.32/x - Step 3: Cross multiply
61,220,478.07x = 84,484,260.16 × 33,718,406.32 - Step 4: Simplify right side
61,220,478.07x = 2,848,674,611,740,777.50 - Step 5: Solve for x
x = 2,848,674,611,740,777.50/61,220,478.07 - Step 6: Final answer
x = 46,531,400.95
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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.