Finding the Fourth Proportional to 85,837,260.74, 118,453,777.53 and 47,206,092.74
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Solution
The fourth proportional to 85,837,260.74, 118,453,777.53 and 47,206,092.74 is: 65,143,504.81
Step by Step Solution
- Step 1: Write the proportion equation
85,837,260.74 : 118,453,777.53 = 47,206,092.74 : x - Step 2: Convert to fraction form
85,837,260.74/118,453,777.53 = 47,206,092.74/x - Step 3: Cross multiply
85,837,260.74x = 118,453,777.53 × 47,206,092.74 - Step 4: Simplify right side
85,837,260.74x = 5,591,740,007,484,508 - Step 5: Solve for x
x = 5,591,740,007,484,508/85,837,260.74 - Step 6: Final answer
x = 65,143,504.81
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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.