Finding the Fourth Proportional to 270,317,340.09, 373,045,798.81 and 152,840,148.06
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Solution
The fourth proportional to 270,317,340.09, 373,045,798.81 and 152,840,148.06 is: 210,923,853.81
Step by Step Solution
- Step 1: Write the proportion equation
270,317,340.09 : 373,045,798.81 = 152,840,148.06 : x - Step 2: Convert to fraction form
270,317,340.09/373,045,798.81 = 152,840,148.06/x - Step 3: Cross multiply
270,317,340.09x = 373,045,798.81 × 152,840,148.06 - Step 4: Simplify right side
270,317,340.09x = 57,016,375,124,599,736 - Step 5: Solve for x
x = 57,016,375,124,599,736/270,317,340.09 - Step 6: Final answer
x = 210,923,853.81
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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.