Finding the Fourth Proportional to 81,243,744.10, 121,794,757.35 and 48,908,511.70
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Solution
The fourth proportional to 81,243,744.10, 121,794,757.35 and 48,908,511.70 is: 73,320,110.75
Step by Step Solution
- Step 1: Write the proportion equation
81,243,744.10 : 121,794,757.35 = 48,908,511.70 : x - Step 2: Convert to fraction form
81,243,744.10/121,794,757.35 = 48,908,511.70/x - Step 3: Cross multiply
81,243,744.10x = 121,794,757.35 × 48,908,511.70 - Step 4: Simplify right side
81,243,744.10x = 5,956,800,314,851,136 - Step 5: Solve for x
x = 5,956,800,314,851,136/81,243,744.10 - Step 6: Final answer
x = 73,320,110.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.