Finding the Fourth Proportional to 91,999,757.41, 138,000,838.14 and 30,588,916.12
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Solution
The fourth proportional to 91,999,757.41, 138,000,838.14 and 30,588,916.12 is: 45,883,773.84
Step by Step Solution
- Step 1: Write the proportion equation
91,999,757.41 : 138,000,838.14 = 30,588,916.12 : x - Step 2: Convert to fraction form
91,999,757.41/138,000,838.14 = 30,588,916.12/x - Step 3: Cross multiply
91,999,757.41x = 138,000,838.14 × 30,588,916.12 - Step 4: Simplify right side
91,999,757.41x = 4,221,296,062,009,154 - Step 5: Solve for x
x = 4,221,296,062,009,154/91,999,757.41 - Step 6: Final answer
x = 45,883,773.84
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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.