Finding the Fourth Proportional to 101,164,310.35, 139,591,889.14 and 56,504,780.09
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Solution
The fourth proportional to 101,164,310.35, 139,591,889.14 and 56,504,780.09 is: 77,968,297.03
Step by Step Solution
- Step 1: Write the proportion equation
101,164,310.35 : 139,591,889.14 = 56,504,780.09 : x - Step 2: Convert to fraction form
101,164,310.35/139,591,889.14 = 56,504,780.09/x - Step 3: Cross multiply
101,164,310.35x = 139,591,889.14 × 56,504,780.09 - Step 4: Simplify right side
101,164,310.35x = 7,887,608,998,779,041 - Step 5: Solve for x
x = 7,887,608,998,779,041/101,164,310.35 - Step 6: Final answer
x = 77,968,297.03
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.