Finding the Fourth Proportional to 75,246,805.13, 112,889,168.98 and 21,394,117.13
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Solution
The fourth proportional to 75,246,805.13, 112,889,168.98 and 21,394,117.13 is: 32,096,566.75
Step by Step Solution
- Step 1: Write the proportion equation
75,246,805.13 : 112,889,168.98 = 21,394,117.13 : x - Step 2: Convert to fraction form
75,246,805.13/112,889,168.98 = 21,394,117.13/x - Step 3: Cross multiply
75,246,805.13x = 112,889,168.98 × 21,394,117.13 - Step 4: Simplify right side
75,246,805.13x = 2,415,164,103,248,551.50 - Step 5: Solve for x
x = 2,415,164,103,248,551.50/75,246,805.13 - Step 6: Final answer
x = 32,096,566.75
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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.