Finding the Fourth Proportional to 125,023,998.68, 172,533,118.18 and 70,019,855.18
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Solution
The fourth proportional to 125,023,998.68, 172,533,118.18 and 70,019,855.18 is: 96,627,400.15
Step by Step Solution
- Step 1: Write the proportion equation
125,023,998.68 : 172,533,118.18 = 70,019,855.18 : x - Step 2: Convert to fraction form
125,023,998.68/172,533,118.18 = 70,019,855.18/x - Step 3: Cross multiply
125,023,998.68x = 172,533,118.18 × 70,019,855.18 - Step 4: Simplify right side
125,023,998.68x = 12,080,743,948,717,426 - Step 5: Solve for x
x = 12,080,743,948,717,426/125,023,998.68 - Step 6: Final answer
x = 96,627,400.15
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.