Finding the Fourth Proportional to 83,767,257.60, 125,745,364.80 and 64,682,620.80
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Solution
The fourth proportional to 83,767,257.60, 125,745,364.80 and 64,682,620.80 is: 97,096,884.65
Step by Step Solution
- Step 1: Write the proportion equation
83,767,257.60 : 125,745,364.80 = 64,682,620.80 : x - Step 2: Convert to fraction form
83,767,257.60/125,745,364.80 = 64,682,620.80/x - Step 3: Cross multiply
83,767,257.60x = 125,745,364.80 × 64,682,620.80 - Step 4: Simplify right side
83,767,257.60x = 8,133,539,748,716,067 - Step 5: Solve for x
x = 8,133,539,748,716,067/83,767,257.60 - Step 6: Final answer
x = 97,096,884.65
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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.