Finding the Fourth Proportional to 100,585,709.37, 138,809,530.62 and 60,892,713.99
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Solution
The fourth proportional to 100,585,709.37, 138,809,530.62 and 60,892,713.99 is: 84,032,703.06
Step by Step Solution
- Step 1: Write the proportion equation
100,585,709.37 : 138,809,530.62 = 60,892,713.99 : x - Step 2: Convert to fraction form
100,585,709.37/138,809,530.62 = 60,892,713.99/x - Step 3: Cross multiply
100,585,709.37x = 138,809,530.62 × 60,892,713.99 - Step 4: Simplify right side
100,585,709.37x = 8,452,489,047,129,808 - Step 5: Solve for x
x = 8,452,489,047,129,808/100,585,709.37 - Step 6: Final answer
x = 84,032,703.06
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.