Finding the Fourth Proportional to 55,471,509.70, 83,207,264.55 and 53,877,186.70
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Solution
The fourth proportional to 55,471,509.70, 83,207,264.55 and 53,877,186.70 is: 80,815,780.05
Step by Step Solution
- Step 1: Write the proportion equation
55,471,509.70 : 83,207,264.55 = 53,877,186.70 : x - Step 2: Convert to fraction form
55,471,509.70/83,207,264.55 = 53,877,186.70/x - Step 3: Cross multiply
55,471,509.70x = 83,207,264.55 × 53,877,186.70 - Step 4: Simplify right side
55,471,509.70x = 4,482,973,326,956,641.50 - Step 5: Solve for x
x = 4,482,973,326,956,641.50/55,471,509.70 - Step 6: Final answer
x = 80,815,780.05
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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.