Finding the Fourth Proportional to 117,686,102.58, 162,408,315.48 and 64,768,902.99
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Solution
The fourth proportional to 117,686,102.58, 162,408,315.48 and 64,768,902.99 is: 89,381,908.31
Step by Step Solution
- Step 1: Write the proportion equation
117,686,102.58 : 162,408,315.48 = 64,768,902.99 : x - Step 2: Convert to fraction form
117,686,102.58/162,408,315.48 = 64,768,902.99/x - Step 3: Cross multiply
117,686,102.58x = 162,408,315.48 × 64,768,902.99 - Step 4: Simplify right side
117,686,102.58x = 10,519,008,430,093,434 - Step 5: Solve for x
x = 10,519,008,430,093,434/117,686,102.58 - Step 6: Final answer
x = 89,381,908.31
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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.