Finding the Fourth Proportional to 94,153,202.56, 129,989,387.28 and 74,652,860.80
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Solution
The fourth proportional to 94,153,202.56, 129,989,387.28 and 74,652,860.80 is: 103,066,909.78
Step by Step Solution
- Step 1: Write the proportion equation
94,153,202.56 : 129,989,387.28 = 74,652,860.80 : x - Step 2: Convert to fraction form
94,153,202.56/129,989,387.28 = 74,652,860.80/x - Step 3: Cross multiply
94,153,202.56x = 129,989,387.28 × 74,652,860.80 - Step 4: Simplify right side
94,153,202.56x = 9,704,079,634,091,130 - Step 5: Solve for x
x = 9,704,079,634,091,130/94,153,202.56 - Step 6: Final answer
x = 103,066,909.78
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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.