Finding the Fourth Proportional to 87,348,284.94, 120,539,801.93 and 48,190,377.99
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Solution
The fourth proportional to 87,348,284.94, 120,539,801.93 and 48,190,377.99 is: 66,502,263.00
Step by Step Solution
- Step 1: Write the proportion equation
87,348,284.94 : 120,539,801.93 = 48,190,377.99 : x - Step 2: Convert to fraction form
87,348,284.94/120,539,801.93 = 48,190,377.99/x - Step 3: Cross multiply
87,348,284.94x = 120,539,801.93 × 48,190,377.99 - Step 4: Simplify right side
87,348,284.94x = 5,808,858,617,605,480 - Step 5: Solve for x
x = 5,808,858,617,605,480/87,348,284.94 - Step 6: Final answer
x = 66,502,263.00
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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.