Finding the Fourth Proportional to 136,274,668.19, 188,058,085.41 and 74,395,006.74
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Solution
The fourth proportional to 136,274,668.19, 188,058,085.41 and 74,395,006.74 is: 102,664,587.03
Step by Step Solution
- Step 1: Write the proportion equation
136,274,668.19 : 188,058,085.41 = 74,395,006.74 : x - Step 2: Convert to fraction form
136,274,668.19/188,058,085.41 = 74,395,006.74/x - Step 3: Cross multiply
136,274,668.19x = 188,058,085.41 × 74,395,006.74 - Step 4: Simplify right side
136,274,668.19x = 13,990,582,531,588,444 - Step 5: Solve for x
x = 13,990,582,531,588,444/136,274,668.19 - Step 6: Final answer
x = 102,664,587.03
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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.