Finding the Fourth Proportional to 86,864,328.09, 130,296,381.96 and 22,168,134.60
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Solution
The fourth proportional to 86,864,328.09, 130,296,381.96 and 22,168,134.60 is: 33,252,173.78
Step by Step Solution
- Step 1: Write the proportion equation
86,864,328.09 : 130,296,381.96 = 22,168,134.60 : x - Step 2: Convert to fraction form
86,864,328.09/130,296,381.96 = 22,168,134.60/x - Step 3: Cross multiply
86,864,328.09x = 130,296,381.96 × 22,168,134.60 - Step 4: Simplify right side
86,864,328.09x = 2,888,427,733,182,292 - Step 5: Solve for x
x = 2,888,427,733,182,292/86,864,328.09 - Step 6: Final answer
x = 33,252,173.78
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.