Finding the Fourth Proportional to 98,219,329.80, 147,328,994.70 and 33,501,625.80
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Solution
The fourth proportional to 98,219,329.80, 147,328,994.70 and 33,501,625.80 is: 50,252,438.70
Step by Step Solution
- Step 1: Write the proportion equation
98,219,329.80 : 147,328,994.70 = 33,501,625.80 : x - Step 2: Convert to fraction form
98,219,329.80/147,328,994.70 = 33,501,625.80/x - Step 3: Cross multiply
98,219,329.80x = 147,328,994.70 × 33,501,625.80 - Step 4: Simplify right side
98,219,329.80x = 4,935,760,849,929,583 - Step 5: Solve for x
x = 4,935,760,849,929,583/98,219,329.80 - Step 6: Final answer
x = 50,252,438.70
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1.5x scale
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.