Finding the Fourth Proportional to 106,434,358.80, 159,651,538.20 and 94,955,233.20
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Solution
The fourth proportional to 106,434,358.80, 159,651,538.20 and 94,955,233.20 is: 142,432,849.80
Step by Step Solution
- Step 1: Write the proportion equation
106,434,358.80 : 159,651,538.20 = 94,955,233.20 : x - Step 2: Convert to fraction form
106,434,358.80/159,651,538.20 = 94,955,233.20/x - Step 3: Cross multiply
106,434,358.80x = 159,651,538.20 × 94,955,233.20 - Step 4: Simplify right side
106,434,358.80x = 15,159,749,040,519,708 - Step 5: Solve for x
x = 15,159,749,040,519,708/106,434,358.80 - Step 6: Final answer
x = 142,432,849.80
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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.