Finding the Fourth Proportional to 75,558,897.20, 105,984,010 and 75,558,897.20
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Solution
The fourth proportional to 75,558,897.20, 105,984,010 and 75,558,897.20 is: 105,984,010
Step by Step Solution
- Step 1: Write the proportion equation
75,558,897.20 : 105,984,010 = 75,558,897.20 : x - Step 2: Convert to fraction form
75,558,897.20/105,984,010 = 75,558,897.20/x - Step 3: Cross multiply
75,558,897.20x = 105,984,010 × 75,558,897.20 - Step 4: Simplify right side
75,558,897.20x = 8,008,034,916,433,772 - Step 5: Solve for x
x = 8,008,034,916,433,772/75,558,897.20 - Step 6: Final answer
x = 105,984,010
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.