Finding the Fourth Proportional to 171,937,314.10, 257,905,971.15 and 149,542,434.10
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Solution
The fourth proportional to 171,937,314.10, 257,905,971.15 and 149,542,434.10 is: 224,313,651.15
Step by Step Solution
- Step 1: Write the proportion equation
171,937,314.10 : 257,905,971.15 = 149,542,434.10 : x - Step 2: Convert to fraction form
171,937,314.10/257,905,971.15 = 149,542,434.10/x - Step 3: Cross multiply
171,937,314.10x = 257,905,971.15 × 149,542,434.10 - Step 4: Simplify right side
171,937,314.10x = 38,567,886,694,695,376 - Step 5: Solve for x
x = 38,567,886,694,695,376/171,937,314.10 - Step 6: Final answer
x = 224,313,651.15
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.