Finding the Fourth Proportional to 235,370,378.29, 324,675,866.24 and 147,111,203.65
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Solution
The fourth proportional to 235,370,378.29, 324,675,866.24 and 147,111,203.65 is: 202,928,923.45
Step by Step Solution
- Step 1: Write the proportion equation
235,370,378.29 : 324,675,866.24 = 147,111,203.65 : x - Step 2: Convert to fraction form
235,370,378.29/324,675,866.24 = 147,111,203.65/x - Step 3: Cross multiply
235,370,378.29x = 324,675,866.24 × 147,111,203.65 - Step 4: Simplify right side
235,370,378.29x = 47,763,457,477,125,560 - Step 5: Solve for x
x = 47,763,457,477,125,560/235,370,378.29 - Step 6: Final answer
x = 202,928,923.45
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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.