Finding the Fourth Proportional to 74,517,293.05, 111,775,913.27 and 19,928,459.79
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Solution
The fourth proportional to 74,517,293.05, 111,775,913.27 and 19,928,459.79 is: 29,892,682.65
Step by Step Solution
- Step 1: Write the proportion equation
74,517,293.05 : 111,775,913.27 = 19,928,459.79 : x - Step 2: Convert to fraction form
74,517,293.05/111,775,913.27 = 19,928,459.79/x - Step 3: Cross multiply
74,517,293.05x = 111,775,913.27 × 19,928,459.79 - Step 4: Simplify right side
74,517,293.05x = 2,227,521,792,992,080 - Step 5: Solve for x
x = 2,227,521,792,992,080/74,517,293.05 - Step 6: Final answer
x = 29,892,682.65
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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.