Finding the Fourth Proportional to 85,646,055.88, 128,474,036.34 and 24,230,069.92
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Solution
The fourth proportional to 85,646,055.88, 128,474,036.34 and 24,230,069.92 is: 36,346,505.99
Step by Step Solution
- Step 1: Write the proportion equation
85,646,055.88 : 128,474,036.34 = 24,230,069.92 : x - Step 2: Convert to fraction form
85,646,055.88/128,474,036.34 = 24,230,069.92/x - Step 3: Cross multiply
85,646,055.88x = 128,474,036.34 × 24,230,069.92 - Step 4: Simplify right side
85,646,055.88x = 3,112,934,883,422,821 - Step 5: Solve for x
x = 3,112,934,883,422,821/85,646,055.88 - Step 6: Final answer
x = 36,346,505.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.