Finding the Fourth Proportional to 105,497,492.58, 158,391,189.18 and 53,716,883.13
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Solution
The fourth proportional to 105,497,492.58, 158,391,189.18 and 53,716,883.13 is: 80,649,130.04
Step by Step Solution
- Step 1: Write the proportion equation
105,497,492.58 : 158,391,189.18 = 53,716,883.13 : x - Step 2: Convert to fraction form
105,497,492.58/158,391,189.18 = 53,716,883.13/x - Step 3: Cross multiply
105,497,492.58x = 158,391,189.18 × 53,716,883.13 - Step 4: Simplify right side
105,497,492.58x = 8,508,280,998,003,781 - Step 5: Solve for x
x = 8,508,280,998,003,781/105,497,492.58 - Step 6: Final answer
x = 80,649,130.04
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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.