Finding the Fourth Proportional to 125,023,997.18, 172,533,116.11 and 70,019,853.68
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Solution
The fourth proportional to 125,023,997.18, 172,533,116.11 and 70,019,853.68 is: 96,627,398.08
Step by Step Solution
- Step 1: Write the proportion equation
125,023,997.18 : 172,533,116.11 = 70,019,853.68 : x - Step 2: Convert to fraction form
125,023,997.18/172,533,116.11 = 70,019,853.68/x - Step 3: Cross multiply
125,023,997.18x = 172,533,116.11 × 70,019,853.68 - Step 4: Simplify right side
125,023,997.18x = 12,080,743,545,075,464 - Step 5: Solve for x
x = 12,080,743,545,075,464/125,023,997.18 - Step 6: Final answer
x = 96,627,398.08
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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.