Finding the Fourth Proportional to 76,974,718.47, 106,224,266 and 41,691,646.39
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Solution
The fourth proportional to 76,974,718.47, 106,224,266 and 41,691,646.39 is: 57,534,014.08
Step by Step Solution
- Step 1: Write the proportion equation
76,974,718.47 : 106,224,266 = 41,691,646.39 : x - Step 2: Convert to fraction form
76,974,718.47/106,224,266 = 41,691,646.39/x - Step 3: Cross multiply
76,974,718.47x = 106,224,266 × 41,691,646.39 - Step 4: Simplify right side
76,974,718.47x = 4,428,664,536,109,300 - Step 5: Solve for x
x = 4,428,664,536,109,300/76,974,718.47 - Step 6: Final answer
x = 57,534,014.08
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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.