Finding the Fourth Proportional to 129,870,342.26, 195,116,291.24 and 83,275,118.63
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Solution
The fourth proportional to 129,870,342.26, 195,116,291.24 and 83,275,118.63 is: 125,111,954.09
Step by Step Solution
- Step 1: Write the proportion equation
129,870,342.26 : 195,116,291.24 = 83,275,118.63 : x - Step 2: Convert to fraction form
129,870,342.26/195,116,291.24 = 83,275,118.63/x - Step 3: Cross multiply
129,870,342.26x = 195,116,291.24 × 83,275,118.63 - Step 4: Simplify right side
129,870,342.26x = 16,248,332,298,264,674 - Step 5: Solve for x
x = 16,248,332,298,264,674/129,870,342.26 - Step 6: Final answer
x = 125,111,954.09
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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.