Finding the Fourth Proportional to 45,918,212.97, 63,367,130.35 and 25,291,659.15
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Solution
The fourth proportional to 45,918,212.97, 63,367,130.35 and 25,291,659.15 is: 34,902,487.67
Step by Step Solution
- Step 1: Write the proportion equation
45,918,212.97 : 63,367,130.35 = 25,291,659.15 : x - Step 2: Convert to fraction form
45,918,212.97/63,367,130.35 = 25,291,659.15/x - Step 3: Cross multiply
45,918,212.97x = 63,367,130.35 × 25,291,659.15 - Step 4: Simplify right side
45,918,212.97x = 1,602,659,862,125,820.25 - Step 5: Solve for x
x = 1,602,659,862,125,820.25/45,918,212.97 - Step 6: Final answer
x = 34,902,487.67
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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.