Finding the Fourth Proportional to 81,368,767.42, 112,290,923.91 and 44,199,036.07
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Solution
The fourth proportional to 81,368,767.42, 112,290,923.91 and 44,199,036.07 is: 60,995,769.67
Step by Step Solution
- Step 1: Write the proportion equation
81,368,767.42 : 112,290,923.91 = 44,199,036.07 : x - Step 2: Convert to fraction form
81,368,767.42/112,290,923.91 = 44,199,036.07/x - Step 3: Cross multiply
81,368,767.42x = 112,290,923.91 × 44,199,036.07 - Step 4: Simplify right side
81,368,767.42x = 4,963,150,596,231,715 - Step 5: Solve for x
x = 4,963,150,596,231,715/81,368,767.42 - Step 6: Final answer
x = 60,995,769.67
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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.