Finding the Fourth Proportional to 63,291,961.53, 94,952,259.84 and 20,163,621.69
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Solution
The fourth proportional to 63,291,961.53, 94,952,259.84 and 20,163,621.69 is: 30,249,993.83
Step by Step Solution
- Step 1: Write the proportion equation
63,291,961.53 : 94,952,259.84 = 20,163,621.69 : x - Step 2: Convert to fraction form
63,291,961.53/94,952,259.84 = 20,163,621.69/x - Step 3: Cross multiply
63,291,961.53x = 94,952,259.84 × 20,163,621.69 - Step 4: Simplify right side
63,291,961.53x = 1,914,581,446,024,340.25 - Step 5: Solve for x
x = 1,914,581,446,024,340.25/63,291,961.53 - Step 6: Final answer
x = 30,249,993.83
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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.