Finding the Fourth Proportional to 125,358,059.42, 187,938,195.32 and 79,202,642.70
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Solution
The fourth proportional to 125,358,059.42, 187,938,195.32 and 79,202,642.70 is: 118,741,481.83
Step by Step Solution
- Step 1: Write the proportion equation
125,358,059.42 : 187,938,195.32 = 79,202,642.70 : x - Step 2: Convert to fraction form
125,358,059.42/187,938,195.32 = 79,202,642.70/x - Step 3: Cross multiply
125,358,059.42x = 187,938,195.32 × 79,202,642.70 - Step 4: Simplify right side
125,358,059.42x = 14,885,201,733,810,778 - Step 5: Solve for x
x = 14,885,201,733,810,778/125,358,059.42 - Step 6: Final answer
x = 118,741,481.83
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.