Finding the Fourth Proportional to 125,358,163.17, 187,938,348.66 and 79,202,745.93
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Solution
The fourth proportional to 125,358,163.17, 187,938,348.66 and 79,202,745.93 is: 118,741,635.19
Step by Step Solution
- Step 1: Write the proportion equation
125,358,163.17 : 187,938,348.66 = 79,202,745.93 : x - Step 2: Convert to fraction form
125,358,163.17/187,938,348.66 = 79,202,745.93/x - Step 3: Cross multiply
125,358,163.17x = 187,938,348.66 × 79,202,745.93 - Step 4: Simplify right side
125,358,163.17x = 14,885,233,279,421,738 - Step 5: Solve for x
x = 14,885,233,279,421,738/125,358,163.17 - Step 6: Final answer
x = 118,741,635.19
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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.