Finding the Fourth Proportional to 83,001,620.10, 124,502,430.15 and 29,148,932.10
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Solution
The fourth proportional to 83,001,620.10, 124,502,430.15 and 29,148,932.10 is: 43,723,398.15
Step by Step Solution
- Step 1: Write the proportion equation
83,001,620.10 : 124,502,430.15 = 29,148,932.10 : x - Step 2: Convert to fraction form
83,001,620.10/124,502,430.15 = 29,148,932.10/x - Step 3: Cross multiply
83,001,620.10x = 124,502,430.15 × 29,148,932.10 - Step 4: Simplify right side
83,001,620.10x = 3,629,112,882,727,343 - Step 5: Solve for x
x = 3,629,112,882,727,343/83,001,620.10 - Step 6: Final answer
x = 43,723,398.15
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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.