Finding the Fourth Proportional to 178,891,330.68, 268,337,411.55 and 54,395,101.80
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Solution
The fourth proportional to 178,891,330.68, 268,337,411.55 and 54,395,101.80 is: 81,592,779.05
Step by Step Solution
- Step 1: Write the proportion equation
178,891,330.68 : 268,337,411.55 = 54,395,101.80 : x - Step 2: Convert to fraction form
178,891,330.68/268,337,411.55 = 54,395,101.80/x - Step 3: Cross multiply
178,891,330.68x = 268,337,411.55 × 54,395,101.80 - Step 4: Simplify right side
178,891,330.68x = 14,596,240,818,010,746 - Step 5: Solve for x
x = 14,596,240,818,010,746/178,891,330.68 - Step 6: Final answer
x = 81,592,779.05
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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.