Finding the Fourth Proportional to 75,313,438.12, 112,926,261.96 and 29,201,436.76
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Solution
The fourth proportional to 75,313,438.12, 112,926,261.96 and 29,201,436.76 is: 43,785,135.55
Step by Step Solution
- Step 1: Write the proportion equation
75,313,438.12 : 112,926,261.96 = 29,201,436.76 : x - Step 2: Convert to fraction form
75,313,438.12/112,926,261.96 = 29,201,436.76/x - Step 3: Cross multiply
75,313,438.12x = 112,926,261.96 × 29,201,436.76 - Step 4: Simplify right side
75,313,438.12x = 3,297,609,097,168,133.50 - Step 5: Solve for x
x = 3,297,609,097,168,133.50/75,313,438.12 - Step 6: Final answer
x = 43,785,135.55
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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.