Finding the Fourth Proportional to 94,542,579.84, 130,478,791.56 and 55,417,229.04
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Solution
The fourth proportional to 94,542,579.84, 130,478,791.56 and 55,417,229.04 is: 76,481,656.09
Step by Step Solution
- Step 1: Write the proportion equation
94,542,579.84 : 130,478,791.56 = 55,417,229.04 : x - Step 2: Convert to fraction form
94,542,579.84/130,478,791.56 = 55,417,229.04/x - Step 3: Cross multiply
94,542,579.84x = 130,478,791.56 × 55,417,229.04 - Step 4: Simplify right side
94,542,579.84x = 7,230,773,076,742,939 - Step 5: Solve for x
x = 7,230,773,076,742,939/94,542,579.84 - Step 6: Final answer
x = 76,481,656.09
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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.