Finding the Fourth Proportional to 63,039,897.36, 86,991,309.18 and 36,576,201.08
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Solution
The fourth proportional to 63,039,897.36, 86,991,309.18 and 36,576,201.08 is: 50,472,982.19
Step by Step Solution
- Step 1: Write the proportion equation
63,039,897.36 : 86,991,309.18 = 36,576,201.08 : x - Step 2: Convert to fraction form
63,039,897.36/86,991,309.18 = 36,576,201.08/x - Step 3: Cross multiply
63,039,897.36x = 86,991,309.18 × 36,576,201.08 - Step 4: Simplify right side
63,039,897.36x = 3,181,811,616,780,130 - Step 5: Solve for x
x = 3,181,811,616,780,130/63,039,897.36 - Step 6: Final answer
x = 50,472,982.19
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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.