Finding the Fourth Proportional to 53,108,992.35, 73,292,671.40 and 29,587,515.75
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Solution
The fourth proportional to 53,108,992.35, 73,292,671.40 and 29,587,515.75 is: 40,832,031.89
Step by Step Solution
- Step 1: Write the proportion equation
53,108,992.35 : 73,292,671.40 = 29,587,515.75 : x - Step 2: Convert to fraction form
53,108,992.35/73,292,671.40 = 29,587,515.75/x - Step 3: Cross multiply
53,108,992.35x = 73,292,671.40 × 29,587,515.75 - Step 4: Simplify right side
53,108,992.35x = 2,168,548,069,259,136.75 - Step 5: Solve for x
x = 2,168,548,069,259,136.75/53,108,992.35 - Step 6: Final answer
x = 40,832,031.89
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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.