Finding the Fourth Proportional to 272,791,381.92, 409,445,766.63 and 168,846,162.14
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Solution
The fourth proportional to 272,791,381.92, 409,445,766.63 and 168,846,162.14 is: 253,429,363.54
Step by Step Solution
- Step 1: Write the proportion equation
272,791,381.92 : 409,445,766.63 = 168,846,162.14 : x - Step 2: Convert to fraction form
272,791,381.92/409,445,766.63 = 168,846,162.14/x - Step 3: Cross multiply
272,791,381.92x = 409,445,766.63 × 168,846,162.14 - Step 4: Simplify right side
272,791,381.92x = 69,133,346,297,898,344 - Step 5: Solve for x
x = 69,133,346,297,898,344/272,791,381.92 - Step 6: Final answer
x = 253,429,363.54
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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.