Finding the Fourth Proportional to 63,078,486.09, 87,031,861.07 and 36,958,970.13
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Solution
The fourth proportional to 63,078,486.09, 87,031,861.07 and 36,958,970.13 is: 50,993,740.54
Step by Step Solution
- Step 1: Write the proportion equation
63,078,486.09 : 87,031,861.07 = 36,958,970.13 : x - Step 2: Convert to fraction form
63,078,486.09/87,031,861.07 = 36,958,970.13/x - Step 3: Cross multiply
63,078,486.09x = 87,031,861.07 × 36,958,970.13 - Step 4: Simplify right side
63,078,486.09x = 3,216,607,953,459,645 - Step 5: Solve for x
x = 3,216,607,953,459,645/63,078,486.09 - Step 6: Final answer
x = 50,993,740.54
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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.