Finding the Fourth Proportional to 55,569,135.80, 83,353,703.70 and 15,179,619.80
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Solution
The fourth proportional to 55,569,135.80, 83,353,703.70 and 15,179,619.80 is: 22,769,429.70
Step by Step Solution
- Step 1: Write the proportion equation
55,569,135.80 : 83,353,703.70 = 15,179,619.80 : x - Step 2: Convert to fraction form
55,569,135.80/83,353,703.70 = 15,179,619.80/x - Step 3: Cross multiply
55,569,135.80x = 83,353,703.70 × 15,179,619.80 - Step 4: Simplify right side
55,569,135.80x = 1,265,277,531,087,853.25 - Step 5: Solve for x
x = 1,265,277,531,087,853.25/55,569,135.80 - Step 6: Final answer
x = 22,769,429.70
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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.