Finding the Fourth Proportional to 230,107,831.68, 345,163,037.85 and 76,753,467.12
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Solution
The fourth proportional to 230,107,831.68, 345,163,037.85 and 76,753,467.12 is: 115,130,631.08
Step by Step Solution
- Step 1: Write the proportion equation
230,107,831.68 : 345,163,037.85 = 76,753,467.12 : x - Step 2: Convert to fraction form
230,107,831.68/345,163,037.85 = 76,753,467.12/x - Step 3: Cross multiply
230,107,831.68x = 345,163,037.85 × 76,753,467.12 - Step 4: Simplify right side
230,107,831.68x = 26,492,459,876,659,292 - Step 5: Solve for x
x = 26,492,459,876,659,292/230,107,831.68 - Step 6: Final answer
x = 115,130,631.08
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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.