Finding the Fourth Proportional to 171,480,788.85, 257,221,383.95 and 46,984,471.68
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Solution
The fourth proportional to 171,480,788.85, 257,221,383.95 and 46,984,471.68 is: 70,476,762.50
Step by Step Solution
- Step 1: Write the proportion equation
171,480,788.85 : 257,221,383.95 = 46,984,471.68 : x - Step 2: Convert to fraction form
171,480,788.85/257,221,383.95 = 46,984,471.68/x - Step 3: Cross multiply
171,480,788.85x = 257,221,383.95 × 46,984,471.68 - Step 4: Simplify right side
171,480,788.85x = 12,085,410,829,689,180 - Step 5: Solve for x
x = 12,085,410,829,689,180/171,480,788.85 - Step 6: Final answer
x = 70,476,762.50
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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.