Finding the Fourth Proportional to 90,830,836.68, 136,267,118.99 and 26,135,177.64
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Solution
The fourth proportional to 90,830,836.68, 136,267,118.99 and 26,135,177.64 is: 39,208,769.75
Step by Step Solution
- Step 1: Write the proportion equation
90,830,836.68 : 136,267,118.99 = 26,135,177.64 : x - Step 2: Convert to fraction form
90,830,836.68/136,267,118.99 = 26,135,177.64/x - Step 3: Cross multiply
90,830,836.68x = 136,267,118.99 × 26,135,177.64 - Step 4: Simplify right side
90,830,836.68x = 3,561,365,361,294,667.50 - Step 5: Solve for x
x = 3,561,365,361,294,667.50/90,830,836.68 - Step 6: Final answer
x = 39,208,769.75
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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.