Finding the Fourth Proportional to 135,422,199.84, 203,106,849.16 and 43,281,221.68
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Solution
The fourth proportional to 135,422,199.84, 203,106,849.16 and 43,281,221.68 is: 64,913,378.85
Step by Step Solution
- Step 1: Write the proportion equation
135,422,199.84 : 203,106,849.16 = 43,281,221.68 : x - Step 2: Convert to fraction form
135,422,199.84/203,106,849.16 = 43,281,221.68/x - Step 3: Cross multiply
135,422,199.84x = 203,106,849.16 × 43,281,221.68 - Step 4: Simplify right side
135,422,199.84x = 8,790,712,563,220,282 - Step 5: Solve for x
x = 8,790,712,563,220,282/135,422,199.84 - Step 6: Final answer
x = 64,913,378.85
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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.