Finding the Fourth Proportional to 230,505,478.99, 318,098,512.84 and 124,658,892.01
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Solution
The fourth proportional to 230,505,478.99, 318,098,512.84 and 124,658,892.01 is: 172,029,785.72
Step by Step Solution
- Step 1: Write the proportion equation
230,505,478.99 : 318,098,512.84 = 124,658,892.01 : x - Step 2: Convert to fraction form
230,505,478.99/318,098,512.84 = 124,658,892.01/x - Step 3: Cross multiply
230,505,478.99x = 318,098,512.84 × 124,658,892.01 - Step 4: Simplify right side
230,505,478.99x = 39,653,808,159,192,600 - Step 5: Solve for x
x = 39,653,808,159,192,600/230,505,478.99 - Step 6: Final answer
x = 172,029,785.72
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.