Finding the Fourth Proportional to 178,968,159.99, 268,278,135.90 and 85,570,860.69
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Solution
The fourth proportional to 178,968,159.99, 268,278,135.90 and 85,570,860.69 is: 128,273,045.85
Step by Step Solution
- Step 1: Write the proportion equation
178,968,159.99 : 268,278,135.90 = 85,570,860.69 : x - Step 2: Convert to fraction form
178,968,159.99/268,278,135.90 = 85,570,860.69/x - Step 3: Cross multiply
178,968,159.99x = 268,278,135.90 × 85,570,860.69 - Step 4: Simplify right side
178,968,159.99x = 22,956,790,991,502,544 - Step 5: Solve for x
x = 22,956,790,991,502,544/178,968,159.99 - Step 6: Final answer
x = 128,273,045.85
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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.