Finding the Fourth Proportional to 178,881,950.02, 246,855,605.97 and 100,565,851.81
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Solution
The fourth proportional to 178,881,950.02, 246,855,605.97 and 100,565,851.81 is: 138,780,040.61
Step by Step Solution
- Step 1: Write the proportion equation
178,881,950.02 : 246,855,605.97 = 100,565,851.81 : x - Step 2: Convert to fraction form
178,881,950.02/246,855,605.97 = 100,565,851.81/x - Step 3: Cross multiply
178,881,950.02x = 246,855,605.97 × 100,565,851.81 - Step 4: Simplify right side
178,881,950.02x = 24,825,244,288,446,772 - Step 5: Solve for x
x = 24,825,244,288,446,772/178,881,950.02 - Step 6: Final answer
x = 138,780,040.61
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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.