Finding the Fourth Proportional to 88,926,556.66, 122,731,536.49 and 51,242,389.09
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Solution
The fourth proportional to 88,926,556.66, 122,731,536.49 and 51,242,389.09 is: 70,721,923.60
Step by Step Solution
- Step 1: Write the proportion equation
88,926,556.66 : 122,731,536.49 = 51,242,389.09 : x - Step 2: Convert to fraction form
88,926,556.66/122,731,536.49 = 51,242,389.09/x - Step 3: Cross multiply
88,926,556.66x = 122,731,536.49 × 51,242,389.09 - Step 4: Simplify right side
88,926,556.66x = 6,289,057,145,999,178 - Step 5: Solve for x
x = 6,289,057,145,999,178/88,926,556.66 - Step 6: Final answer
x = 70,721,923.60
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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.