Finding the Fourth Proportional to 143,018,481,831.12, 214,453,232,739.36 and 67,451,342,697.09
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Solution
The fourth proportional to 143,018,481,831.12, 214,453,232,739.36 and 67,451,342,697.09 is: 101,141,882,565.09
Step by Step Solution
- Step 1: Write the proportion equation
143,018,481,831.12 : 214,453,232,739.36 = 67,451,342,697.09 : x - Step 2: Convert to fraction form
143,018,481,831.12/214,453,232,739.36 = 67,451,342,697.09/x - Step 3: Cross multiply
143,018,481,831.12x = 214,453,232,739.36 × 67,451,342,697.09 - Step 4: Simplify right side
143,018,481,831.12x = 14,465,158,494,000,940,843,008 - Step 5: Solve for x
x = 14,465,158,494,000,940,843,008/143,018,481,831.12 - Step 6: Final answer
x = 101,141,882,565.09
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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.