Finding the Fourth Proportional to 67,716,365.21, 93,454,347.20 and 38,352,921.42
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Solution
The fourth proportional to 67,716,365.21, 93,454,347.20 and 38,352,921.42 is: 52,930,295.70
Step by Step Solution
- Step 1: Write the proportion equation
67,716,365.21 : 93,454,347.20 = 38,352,921.42 : x - Step 2: Convert to fraction form
67,716,365.21/93,454,347.20 = 38,352,921.42/x - Step 3: Cross multiply
67,716,365.21x = 93,454,347.20 × 38,352,921.42 - Step 4: Simplify right side
67,716,365.21x = 3,584,247,234,327,232.50 - Step 5: Solve for x
x = 3,584,247,234,327,232.50/67,716,365.21 - Step 6: Final answer
x = 52,930,295.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.