Finding the Fourth Proportional to 197,714,133.20, 296,571,199.80 and 164,121,813.20
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Solution
The fourth proportional to 197,714,133.20, 296,571,199.80 and 164,121,813.20 is: 246,182,719.80
Step by Step Solution
- Step 1: Write the proportion equation
197,714,133.20 : 296,571,199.80 = 164,121,813.20 : x - Step 2: Convert to fraction form
197,714,133.20/296,571,199.80 = 164,121,813.20/x - Step 3: Cross multiply
197,714,133.20x = 296,571,199.80 × 164,121,813.20 - Step 4: Simplify right side
197,714,133.20x = 48,673,803,054,075,472 - Step 5: Solve for x
x = 48,673,803,054,075,472/197,714,133.20 - Step 6: Final answer
x = 246,182,719.80
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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.