Finding the Fourth Proportional to 68,588,645.36, 94,609,276 and 40,691,605.04
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Solution
The fourth proportional to 68,588,645.36, 94,609,276 and 40,691,605.04 is: 56,128,871.94
Step by Step Solution
- Step 1: Write the proportion equation
68,588,645.36 : 94,609,276 = 40,691,605.04 : x - Step 2: Convert to fraction form
68,588,645.36/94,609,276 = 40,691,605.04/x - Step 3: Cross multiply
68,588,645.36x = 94,609,276 × 40,691,605.04 - Step 4: Simplify right side
68,588,645.36x = 3,849,803,292,112,351 - Step 5: Solve for x
x = 3,849,803,292,112,351/68,588,645.36 - Step 6: Final answer
x = 56,128,871.94
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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.