Finding the Fourth Proportional to 102,441,921.74, 141,370,948.59 and 56,031,183.26
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Solution
The fourth proportional to 102,441,921.74, 141,370,948.59 and 56,031,183.26 is: 77,323,632.68
Step by Step Solution
- Step 1: Write the proportion equation
102,441,921.74 : 141,370,948.59 = 56,031,183.26 : x - Step 2: Convert to fraction form
102,441,921.74/141,370,948.59 = 56,031,183.26/x - Step 3: Cross multiply
102,441,921.74x = 141,370,948.59 × 56,031,183.26 - Step 4: Simplify right side
102,441,921.74x = 7,921,181,528,086,329 - Step 5: Solve for x
x = 7,921,181,528,086,329/102,441,921.74 - Step 6: Final answer
x = 77,323,632.68
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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.