Finding the Fourth Proportional to 99,243,138.75, 148,767,508.12 and 55,545,236.07
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Solution
The fourth proportional to 99,243,138.75, 148,767,508.12 and 55,545,236.07 is: 83,263,452.38
Step by Step Solution
- Step 1: Write the proportion equation
99,243,138.75 : 148,767,508.12 = 55,545,236.07 : x - Step 2: Convert to fraction form
99,243,138.75/148,767,508.12 = 55,545,236.07/x - Step 3: Cross multiply
99,243,138.75x = 148,767,508.12 × 55,545,236.07 - Step 4: Simplify right side
99,243,138.75x = 8,263,326,357,049,478 - Step 5: Solve for x
x = 8,263,326,357,049,478/99,243,138.75 - Step 6: Final answer
x = 83,263,452.38
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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.