Finding the Fourth Proportional to 51,365,221.81, 70,883,988.99 and 28,159,850.54
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Solution
The fourth proportional to 51,365,221.81, 70,883,988.99 and 28,159,850.54 is: 38,860,584.37
Step by Step Solution
- Step 1: Write the proportion equation
51,365,221.81 : 70,883,988.99 = 28,159,850.54 : x - Step 2: Convert to fraction form
51,365,221.81/70,883,988.99 = 28,159,850.54/x - Step 3: Cross multiply
51,365,221.81x = 70,883,988.99 × 28,159,850.54 - Step 4: Simplify right side
51,365,221.81x = 1,996,082,535,637,405.25 - Step 5: Solve for x
x = 1,996,082,535,637,405.25/51,365,221.81 - Step 6: Final answer
x = 38,860,584.37
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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.