Finding the Fourth Proportional to 76,750,487.04, 105,915,719.52 and 41,943,177.12
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Solution
The fourth proportional to 76,750,487.04, 105,915,719.52 and 41,943,177.12 is: 57,881,610.33
Step by Step Solution
- Step 1: Write the proportion equation
76,750,487.04 : 105,915,719.52 = 41,943,177.12 : x - Step 2: Convert to fraction form
76,750,487.04/105,915,719.52 = 41,943,177.12/x - Step 3: Cross multiply
76,750,487.04x = 105,915,719.52 × 41,943,177.12 - Step 4: Simplify right side
76,750,487.04x = 4,442,441,783,619,601 - Step 5: Solve for x
x = 4,442,441,783,619,601/76,750,487.04 - Step 6: Final answer
x = 57,881,610.33
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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.