Finding the Fourth Proportional to 53,650,631.07, 74,033,649.68 and 30,445,757.80
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Solution
The fourth proportional to 53,650,631.07, 74,033,649.68 and 30,445,757.80 is: 42,012,750.31
Step by Step Solution
- Step 1: Write the proportion equation
53,650,631.07 : 74,033,649.68 = 30,445,757.80 : x - Step 2: Convert to fraction form
53,650,631.07/74,033,649.68 = 30,445,757.80/x - Step 3: Cross multiply
53,650,631.07x = 74,033,649.68 × 30,445,757.80 - Step 4: Simplify right side
53,650,631.07x = 2,254,010,567,286,454 - Step 5: Solve for x
x = 2,254,010,567,286,454/53,650,631.07 - Step 6: Final answer
x = 42,012,750.31
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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.