Finding the Fourth Proportional to 104,034,149.92, 143,565,982.73 and 56,348,217.93
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Solution
The fourth proportional to 104,034,149.92, 143,565,982.73 and 56,348,217.93 is: 77,759,921.03
Step by Step Solution
- Step 1: Write the proportion equation
104,034,149.92 : 143,565,982.73 = 56,348,217.93 : x - Step 2: Convert to fraction form
104,034,149.92/143,565,982.73 = 56,348,217.93/x - Step 3: Cross multiply
104,034,149.92x = 143,565,982.73 × 56,348,217.93 - Step 4: Simplify right side
104,034,149.92x = 8,089,687,281,865,035 - Step 5: Solve for x
x = 8,089,687,281,865,035/104,034,149.92 - Step 6: Final answer
x = 77,759,921.03
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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.