Finding the Fourth Proportional to 220,148,551.80, 330,222,827.70 and 56,385,991.80
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Solution
The fourth proportional to 220,148,551.80, 330,222,827.70 and 56,385,991.80 is: 84,578,987.70
Step by Step Solution
- Step 1: Write the proportion equation
220,148,551.80 : 330,222,827.70 = 56,385,991.80 : x - Step 2: Convert to fraction form
220,148,551.80/330,222,827.70 = 56,385,991.80/x - Step 3: Cross multiply
220,148,551.80x = 330,222,827.70 × 56,385,991.80 - Step 4: Simplify right side
220,148,551.80x = 18,619,941,654,865,012 - Step 5: Solve for x
x = 18,619,941,654,865,012/220,148,551.80 - Step 6: Final answer
x = 84,578,987.70
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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.