Finding the Fourth Proportional to 85,828,502.79, 118,443,950.28 and 46,669,998.96
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Solution
The fourth proportional to 85,828,502.79, 118,443,950.28 and 46,669,998.96 is: 64,404,933.75
Step by Step Solution
- Step 1: Write the proportion equation
85,828,502.79 : 118,443,950.28 = 46,669,998.96 : x - Step 2: Convert to fraction form
85,828,502.79/118,443,950.28 = 46,669,998.96/x - Step 3: Cross multiply
85,828,502.79x = 118,443,950.28 × 46,669,998.96 - Step 4: Simplify right side
85,828,502.79x = 5,527,779,036,385,892 - Step 5: Solve for x
x = 5,527,779,036,385,892/85,828,502.79 - Step 6: Final answer
x = 64,404,933.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.