Finding the Fourth Proportional to 170,756,457.39, 235,643,990.52 and 92,440,010.79
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Solution
The fourth proportional to 170,756,457.39, 235,643,990.52 and 92,440,010.79 is: 127,567,257.83
Step by Step Solution
- Step 1: Write the proportion equation
170,756,457.39 : 235,643,990.52 = 92,440,010.79 : x - Step 2: Convert to fraction form
170,756,457.39/235,643,990.52 = 92,440,010.79/x - Step 3: Cross multiply
170,756,457.39x = 235,643,990.52 × 92,440,010.79 - Step 4: Simplify right side
170,756,457.39x = 21,782,933,026,267,460 - Step 5: Solve for x
x = 21,782,933,026,267,460/170,756,457.39 - Step 6: Final answer
x = 127,567,257.83
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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.