Finding the Fourth Proportional to 63,618,554.15, 87,793,956.71 and 35,742,439.79
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Solution
The fourth proportional to 63,618,554.15, 87,793,956.71 and 35,742,439.79 is: 49,324,764.66
Step by Step Solution
- Step 1: Write the proportion equation
63,618,554.15 : 87,793,956.71 = 35,742,439.79 : x - Step 2: Convert to fraction form
63,618,554.15/87,793,956.71 = 35,742,439.79/x - Step 3: Cross multiply
63,618,554.15x = 87,793,956.71 × 35,742,439.79 - Step 4: Simplify right side
63,618,554.15x = 3,137,970,211,633,041 - Step 5: Solve for x
x = 3,137,970,211,633,041/63,618,554.15 - Step 6: Final answer
x = 49,324,764.66
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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.