Finding the Fourth Proportional to 112,382,767.93, 155,113,221.09 and 68,320,426
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Solution
The fourth proportional to 112,382,767.93, 155,113,221.09 and 68,320,426 is: 94,297,386.85
Step by Step Solution
- Step 1: Write the proportion equation
112,382,767.93 : 155,113,221.09 = 68,320,426 : x - Step 2: Convert to fraction form
112,382,767.93/155,113,221.09 = 68,320,426/x - Step 3: Cross multiply
112,382,767.93x = 155,113,221.09 × 68,320,426 - Step 4: Simplify right side
112,382,767.93x = 10,597,401,343,100,984 - Step 5: Solve for x
x = 10,597,401,343,100,984/112,382,767.93 - Step 6: Final answer
x = 94,297,386.85
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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.