Finding the Fourth Proportional to 53,752,649.16, 74,184,965.56 and 30,551,263.70
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Solution
The fourth proportional to 53,752,649.16, 74,184,965.56 and 30,551,263.70 is: 42,164,330.15
Step by Step Solution
- Step 1: Write the proportion equation
53,752,649.16 : 74,184,965.56 = 30,551,263.70 : x - Step 2: Convert to fraction form
53,752,649.16/74,184,965.56 = 30,551,263.70/x - Step 3: Cross multiply
53,752,649.16x = 74,184,965.56 × 30,551,263.70 - Step 4: Simplify right side
53,752,649.16x = 2,266,444,445,398,978 - Step 5: Solve for x
x = 2,266,444,445,398,978/53,752,649.16 - Step 6: Final answer
x = 42,164,330.15
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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.