Finding the Fourth Proportional to 178,672,652.65, 246,575,673.51 and 99,287,417.70
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Solution
The fourth proportional to 178,672,652.65, 246,575,673.51 and 99,287,417.70 is: 137,020,755.70
Step by Step Solution
- Step 1: Write the proportion equation
178,672,652.65 : 246,575,673.51 = 99,287,417.70 : x - Step 2: Convert to fraction form
178,672,652.65/246,575,673.51 = 99,287,417.70/x - Step 3: Cross multiply
178,672,652.65x = 246,575,673.51 × 99,287,417.70 - Step 4: Simplify right side
178,672,652.65x = 24,481,861,890,073,868 - Step 5: Solve for x
x = 24,481,861,890,073,868/178,672,652.65 - Step 6: Final answer
x = 137,020,755.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.