Finding the Fourth Proportional to 134,976,571.08, 202,787,853.66 and 86,549,304.84
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Solution
The fourth proportional to 134,976,571.08, 202,787,853.66 and 86,549,304.84 is: 130,031,068.53
Step by Step Solution
- Step 1: Write the proportion equation
134,976,571.08 : 202,787,853.66 = 86,549,304.84 : x - Step 2: Convert to fraction form
134,976,571.08/202,787,853.66 = 86,549,304.84/x - Step 3: Cross multiply
134,976,571.08x = 202,787,853.66 × 86,549,304.84 - Step 4: Simplify right side
134,976,571.08x = 17,551,147,764,268,650 - Step 5: Solve for x
x = 17,551,147,764,268,650/134,976,571.08 - Step 6: Final answer
x = 130,031,068.53
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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.