Finding the Fourth Proportional to 72,343,453,562.99, 108,527,543,116.80 and 29,825,108,129.66
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Solution
The fourth proportional to 72,343,453,562.99, 108,527,543,116.80 and 29,825,108,129.66 is: 44,742,759,007.03
Step by Step Solution
- Step 1: Write the proportion equation
72,343,453,562.99 : 108,527,543,116.80 = 29,825,108,129.66 : x - Step 2: Convert to fraction form
72,343,453,562.99/108,527,543,116.80 = 29,825,108,129.66/x - Step 3: Cross multiply
72,343,453,562.99x = 108,527,543,116.80 × 29,825,108,129.66 - Step 4: Simplify right side
72,343,453,562.99x = 3,236,845,708,505,223,528,448 - Step 5: Solve for x
x = 3,236,845,708,505,223,528,448/72,343,453,562.99 - Step 6: Final answer
x = 44,742,759,007.03
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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.