Finding the Fourth Proportional to 130,287,242.49, 195,437,589.98 and 33,243,799.29
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Solution
The fourth proportional to 130,287,242.49, 195,437,589.98 and 33,243,799.29 is: 49,867,415.19
Step by Step Solution
- Step 1: Write the proportion equation
130,287,242.49 : 195,437,589.98 = 33,243,799.29 : x - Step 2: Convert to fraction form
130,287,242.49/195,437,589.98 = 33,243,799.29/x - Step 3: Cross multiply
130,287,242.49x = 195,437,589.98 × 33,243,799.29 - Step 4: Simplify right side
130,287,242.49x = 6,497,088,014,850,216 - Step 5: Solve for x
x = 6,497,088,014,850,216/130,287,242.49 - Step 6: Final answer
x = 49,867,415.19
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.