Finding the Fourth Proportional to 135,422,207.32, 203,106,860.43 and 43,281,229.18
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Solution
The fourth proportional to 135,422,207.32, 203,106,860.43 and 43,281,229.18 is: 64,913,390.12
Step by Step Solution
- Step 1: Write the proportion equation
135,422,207.32 : 203,106,860.43 = 43,281,229.18 : x - Step 2: Convert to fraction form
135,422,207.32/203,106,860.43 = 43,281,229.18/x - Step 3: Cross multiply
135,422,207.32x = 203,106,860.43 × 43,281,229.18 - Step 4: Simplify right side
135,422,207.32x = 8,790,714,574,301,104 - Step 5: Solve for x
x = 8,790,714,574,301,104/135,422,207.32 - Step 6: Final answer
x = 64,913,390.12
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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.