Finding the Fourth Proportional to 142,019,758.08, 213,035,719.68 and 55,776,867.84
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Solution
The fourth proportional to 142,019,758.08, 213,035,719.68 and 55,776,867.84 is: 83,667,690.63
Step by Step Solution
- Step 1: Write the proportion equation
142,019,758.08 : 213,035,719.68 = 55,776,867.84 : x - Step 2: Convert to fraction form
142,019,758.08/213,035,719.68 = 55,776,867.84/x - Step 3: Cross multiply
142,019,758.08x = 213,035,719.68 × 55,776,867.84 - Step 4: Simplify right side
142,019,758.08x = 11,882,465,181,790,648 - Step 5: Solve for x
x = 11,882,465,181,790,648/142,019,758.08 - Step 6: Final answer
x = 83,667,690.63
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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.