Finding the Fourth Proportional to 85,646,258.21, 128,474,338.14 and 24,230,272.37
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Solution
The fourth proportional to 85,646,258.21, 128,474,338.14 and 24,230,272.37 is: 36,346,809.19
Step by Step Solution
- Step 1: Write the proportion equation
85,646,258.21 : 128,474,338.14 = 24,230,272.37 : x - Step 2: Convert to fraction form
85,646,258.21/128,474,338.14 = 24,230,272.37/x - Step 3: Cross multiply
85,646,258.21x = 128,474,338.14 × 24,230,272.37 - Step 4: Simplify right side
85,646,258.21x = 3,112,968,205,045,307.50 - Step 5: Solve for x
x = 3,112,968,205,045,307.50/85,646,258.21 - Step 6: Final answer
x = 36,346,809.19
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.