Finding the Fourth Proportional to 212,670,901.07, 293,478,588 and 117,305,189.00
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Solution
The fourth proportional to 212,670,901.07, 293,478,588 and 117,305,189.00 is: 161,877,158.84
Step by Step Solution
- Step 1: Write the proportion equation
212,670,901.07 : 293,478,588 = 117,305,189.00 : x - Step 2: Convert to fraction form
212,670,901.07/293,478,588 = 117,305,189.00/x - Step 3: Cross multiply
212,670,901.07x = 293,478,588 × 117,305,189.00 - Step 4: Simplify right side
212,670,901.07x = 34,426,561,231,325,740 - Step 5: Solve for x
x = 34,426,561,231,325,740/212,670,901.07 - Step 6: Final answer
x = 161,877,158.84
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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.