Finding the Fourth Proportional to 70,180,777.26, 96,842,972.79 and 38,818,151.15
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Solution
The fourth proportional to 70,180,777.26, 96,842,972.79 and 38,818,151.15 is: 53,565,453.42
Step by Step Solution
- Step 1: Write the proportion equation
70,180,777.26 : 96,842,972.79 = 38,818,151.15 : x - Step 2: Convert to fraction form
70,180,777.26/96,842,972.79 = 38,818,151.15/x - Step 3: Cross multiply
70,180,777.26x = 96,842,972.79 × 38,818,151.15 - Step 4: Simplify right side
70,180,777.26x = 3,759,265,155,093,343 - Step 5: Solve for x
x = 3,759,265,155,093,343/70,180,777.26 - Step 6: Final answer
x = 53,565,453.42
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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.