Finding the Fourth Proportional to 105,128,663.75, 157,721,455.80 and 32,343,904.07
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Solution
The fourth proportional to 105,128,663.75, 157,721,455.80 and 32,343,904.07 is: 48,524,612.16
Step by Step Solution
- Step 1: Write the proportion equation
105,128,663.75 : 157,721,455.80 = 32,343,904.07 : x - Step 2: Convert to fraction form
105,128,663.75/157,721,455.80 = 32,343,904.07/x - Step 3: Cross multiply
105,128,663.75x = 157,721,455.80 × 32,343,904.07 - Step 4: Simplify right side
105,128,663.75x = 5,101,327,635,387,338 - Step 5: Solve for x
x = 5,101,327,635,387,338/105,128,663.75 - Step 6: Final answer
x = 48,524,612.16
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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.