Finding the Fourth Proportional to 83,001,647.60, 124,502,471.40 and 29,148,959.60
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Solution
The fourth proportional to 83,001,647.60, 124,502,471.40 and 29,148,959.60 is: 43,723,439.40
Step by Step Solution
- Step 1: Write the proportion equation
83,001,647.60 : 124,502,471.40 = 29,148,959.60 : x - Step 2: Convert to fraction form
83,001,647.60/124,502,471.40 = 29,148,959.60/x - Step 3: Cross multiply
83,001,647.60x = 124,502,471.40 × 29,148,959.60 - Step 4: Simplify right side
83,001,647.60x = 3,629,117,508,938,756 - Step 5: Solve for x
x = 3,629,117,508,938,756/83,001,647.60 - Step 6: Final answer
x = 43,723,439.40
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.