Finding the Fourth Proportional to 73,451,381.80, 110,177,072.70 and 64,948,325.80
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Solution
The fourth proportional to 73,451,381.80, 110,177,072.70 and 64,948,325.80 is: 97,422,488.70
Step by Step Solution
- Step 1: Write the proportion equation
73,451,381.80 : 110,177,072.70 = 64,948,325.80 : x - Step 2: Convert to fraction form
73,451,381.80/110,177,072.70 = 64,948,325.80/x - Step 3: Cross multiply
73,451,381.80x = 110,177,072.70 × 64,948,325.80 - Step 4: Simplify right side
73,451,381.80x = 7,155,816,413,409,886 - Step 5: Solve for x
x = 7,155,816,413,409,886/73,451,381.80 - Step 6: Final answer
x = 97,422,488.70
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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.