Finding the Fourth Proportional to 208,457,011.98, 312,482,181.60 and 99,252,841.14
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Solution
The fourth proportional to 208,457,011.98, 312,482,181.60 and 99,252,841.14 is: 148,782,446.97
Step by Step Solution
- Step 1: Write the proportion equation
208,457,011.98 : 312,482,181.60 = 99,252,841.14 : x - Step 2: Convert to fraction form
208,457,011.98/312,482,181.60 = 99,252,841.14/x - Step 3: Cross multiply
208,457,011.98x = 312,482,181.60 × 99,252,841.14 - Step 4: Simplify right side
208,457,011.98x = 31,014,744,329,425,432 - Step 5: Solve for x
x = 31,014,744,329,425,432/208,457,011.98 - Step 6: Final answer
x = 148,782,446.97
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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.