Finding the Fourth Proportional to 102,528,958.21, 141,491,291.30 and 56,118,215.68
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Solution
The fourth proportional to 102,528,958.21, 141,491,291.30 and 56,118,215.68 is: 77,443,865.04
Step by Step Solution
- Step 1: Write the proportion equation
102,528,958.21 : 141,491,291.30 = 56,118,215.68 : x - Step 2: Convert to fraction form
102,528,958.21/141,491,291.30 = 56,118,215.68/x - Step 3: Cross multiply
102,528,958.21x = 141,491,291.30 × 56,118,215.68 - Step 4: Simplify right side
102,528,958.21x = 7,940,238,802,015,108 - Step 5: Solve for x
x = 7,940,238,802,015,108/102,528,958.21 - Step 6: Final answer
x = 77,443,865.04
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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.