Finding the Fourth Proportional to 68,836,889.07, 94,991,489.95 and 37,896,394.05
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Solution
The fourth proportional to 68,836,889.07, 94,991,489.95 and 37,896,394.05 is: 52,295,142.67
Step by Step Solution
- Step 1: Write the proportion equation
68,836,889.07 : 94,991,489.95 = 37,896,394.05 : x - Step 2: Convert to fraction form
68,836,889.07/94,991,489.95 = 37,896,394.05/x - Step 3: Cross multiply
68,836,889.07x = 94,991,489.95 × 37,896,394.05 - Step 4: Simplify right side
68,836,889.07x = 3,599,834,934,779,294 - Step 5: Solve for x
x = 3,599,834,934,779,294/68,836,889.07 - Step 6: Final answer
x = 52,295,142.67
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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.