Finding the Fourth Proportional to 77,625,640.49, 116,570,248.07 and 51,883,365.69
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Solution
The fourth proportional to 77,625,640.49, 116,570,248.07 and 51,883,365.69 is: 77,913,132.45
Step by Step Solution
- Step 1: Write the proportion equation
77,625,640.49 : 116,570,248.07 = 51,883,365.69 : x - Step 2: Convert to fraction form
77,625,640.49/116,570,248.07 = 51,883,365.69/x - Step 3: Cross multiply
77,625,640.49x = 116,570,248.07 × 51,883,365.69 - Step 4: Simplify right side
77,625,640.49x = 6,048,056,808,930,409 - Step 5: Solve for x
x = 6,048,056,808,930,409/77,625,640.49 - Step 6: Final answer
x = 77,913,132.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.