Finding the Fourth Proportional to 170,361,532.07, 235,292,842.08 and 114,509,986.98
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Solution
The fourth proportional to 170,361,532.07, 235,292,842.08 and 114,509,986.98 is: 158,154,132.31
Step by Step Solution
- Step 1: Write the proportion equation
170,361,532.07 : 235,292,842.08 = 114,509,986.98 : x - Step 2: Convert to fraction form
170,361,532.07/235,292,842.08 = 114,509,986.98/x - Step 3: Cross multiply
170,361,532.07x = 235,292,842.08 × 114,509,986.98 - Step 4: Simplify right side
170,361,532.07x = 26,943,380,283,068,000 - Step 5: Solve for x
x = 26,943,380,283,068,000/170,361,532.07 - Step 6: Final answer
x = 158,154,132.31
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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.