Finding the Fourth Proportional to 287,265,323.34, 430,958,510.70 and 93,161,603.84
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Solution
The fourth proportional to 287,265,323.34, 430,958,510.70 and 93,161,603.84 is: 139,762,034.55
Step by Step Solution
- Step 1: Write the proportion equation
287,265,323.34 : 430,958,510.70 = 93,161,603.84 : x - Step 2: Convert to fraction form
287,265,323.34/430,958,510.70 = 93,161,603.84/x - Step 3: Cross multiply
287,265,323.34x = 430,958,510.70 × 93,161,603.84 - Step 4: Simplify right side
287,265,323.34x = 40,148,786,045,309,800 - Step 5: Solve for x
x = 40,148,786,045,309,800/287,265,323.34 - Step 6: Final answer
x = 139,762,034.55
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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.