Finding the Fourth Proportional to 100,356,389.41, 138,540,477.49 and 67,304,548.19
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Solution
The fourth proportional to 100,356,389.41, 138,540,477.49 and 67,304,548.19 is: 92,912,910.65
Step by Step Solution
- Step 1: Write the proportion equation
100,356,389.41 : 138,540,477.49 = 67,304,548.19 : x - Step 2: Convert to fraction form
100,356,389.41/138,540,477.49 = 67,304,548.19/x - Step 3: Cross multiply
100,356,389.41x = 138,540,477.49 × 67,304,548.19 - Step 4: Simplify right side
100,356,389.41x = 9,324,404,242,630,352 - Step 5: Solve for x
x = 9,324,404,242,630,352/100,356,389.41 - Step 6: Final answer
x = 92,912,910.65
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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.