Finding the Fourth Proportional to 143,364,946.87, 215,048,664.84 and 46,320,664.84
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Solution
The fourth proportional to 143,364,946.87, 215,048,664.84 and 46,320,664.84 is: 69,481,399.36
Step by Step Solution
- Step 1: Write the proportion equation
143,364,946.87 : 215,048,664.84 = 46,320,664.84 : x - Step 2: Convert to fraction form
143,364,946.87/215,048,664.84 = 46,320,664.84/x - Step 3: Cross multiply
143,364,946.87x = 215,048,664.84 × 46,320,664.84 - Step 4: Simplify right side
143,364,946.87x = 9,961,197,128,343,134 - Step 5: Solve for x
x = 9,961,197,128,343,134/143,364,946.87 - Step 6: Final answer
x = 69,481,399.36
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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.