Finding the Fourth Proportional to 84,367,785.09, 126,538,890.94 and 22,961,728.93
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Solution
The fourth proportional to 84,367,785.09, 126,538,890.94 and 22,961,728.93 is: 34,439,113.34
Step by Step Solution
- Step 1: Write the proportion equation
84,367,785.09 : 126,538,890.94 = 22,961,728.93 : x - Step 2: Convert to fraction form
84,367,785.09/126,538,890.94 = 22,961,728.93/x - Step 3: Cross multiply
84,367,785.09x = 126,538,890.94 × 22,961,728.93 - Step 4: Simplify right side
84,367,785.09x = 2,905,551,712,867,113 - Step 5: Solve for x
x = 2,905,551,712,867,113/84,367,785.09 - Step 6: Final answer
x = 34,439,113.34
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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.