Finding the Fourth Proportional to 135,446,177.88, 186,883,705.17 and 79,694,031.78
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Solution
The fourth proportional to 135,446,177.88, 186,883,705.17 and 79,694,031.78 is: 109,958,923.70
Step by Step Solution
- Step 1: Write the proportion equation
135,446,177.88 : 186,883,705.17 = 79,694,031.78 : x - Step 2: Convert to fraction form
135,446,177.88/186,883,705.17 = 79,694,031.78/x - Step 3: Cross multiply
135,446,177.88x = 186,883,705.17 × 79,694,031.78 - Step 4: Simplify right side
135,446,177.88x = 14,893,515,938,982,130 - Step 5: Solve for x
x = 14,893,515,938,982,130/135,446,177.88 - Step 6: Final answer
x = 109,958,923.70
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.