Finding the Fourth Proportional to 129,292,215.30, 193,938,322.95 and 129,292,215.30
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Solution
The fourth proportional to 129,292,215.30, 193,938,322.95 and 129,292,215.30 is: 193,938,322.95
Step by Step Solution
- Step 1: Write the proportion equation
129,292,215.30 : 193,938,322.95 = 129,292,215.30 : x - Step 2: Convert to fraction form
129,292,215.30/193,938,322.95 = 129,292,215.30/x - Step 3: Cross multiply
129,292,215.30x = 193,938,322.95 × 129,292,215.30 - Step 4: Simplify right side
129,292,215.30x = 25,074,715,405,772,328 - Step 5: Solve for x
x = 25,074,715,405,772,328/129,292,215.30 - Step 6: Final answer
x = 193,938,322.95
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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.