Finding the Fourth Proportional to 70,124,862.50, 96,770,453.92 and 39,185,286.02
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Solution
The fourth proportional to 70,124,862.50, 96,770,453.92 and 39,185,286.02 is: 54,074,657.40
Step by Step Solution
- Step 1: Write the proportion equation
70,124,862.50 : 96,770,453.92 = 39,185,286.02 : x - Step 2: Convert to fraction form
70,124,862.50/96,770,453.92 = 39,185,286.02/x - Step 3: Cross multiply
70,124,862.50x = 96,770,453.92 × 39,185,286.02 - Step 4: Simplify right side
70,124,862.50x = 3,791,977,914,558,615 - Step 5: Solve for x
x = 3,791,977,914,558,615/70,124,862.50 - Step 6: Final answer
x = 54,074,657.40
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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.