Finding the Fourth Proportional to 268,645,841.80, 402,296,916.30 and 214,898,129.80
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Solution
The fourth proportional to 268,645,841.80, 402,296,916.30 and 214,898,129.80 is: 321,809,763.96
Step by Step Solution
- Step 1: Write the proportion equation
268,645,841.80 : 402,296,916.30 = 214,898,129.80 : x - Step 2: Convert to fraction form
268,645,841.80/402,296,916.30 = 214,898,129.80/x - Step 3: Cross multiply
268,645,841.80x = 402,296,916.30 × 214,898,129.80 - Step 4: Simplify right side
268,645,841.80x = 86,452,854,937,177,136 - Step 5: Solve for x
x = 86,452,854,937,177,136/268,645,841.80 - Step 6: Final answer
x = 321,809,763.96
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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.